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#91
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| On Mar 17, 9:49*am, d...[at]funtaff.net wrote: - quote - > Do you have the name of that paper you mentioned that Otis hasn't
It's a virtual certainty that Otis hasn't read ANY paper that doesn't> read? *Wasn't sure if that was a figurative statement or not. support (a pretty broad statement, considering his tenuous grasp on reality) his preconceived notion. If he does, he never admits to them -- though he occasionally does reference papers and snippets that contradict him, directly. Perhaps more than occasionally. Here's a good starting point: http://www.nap.edu/catalog.php?record_id=1420#toc |
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#90
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| On Mar 17, 7:08*am, "Mike Tyner" <mty...[at]mindspring.com> wrote: - quote - > <d...[at]funtaff.net> wrote
Thanks for the input. So you're saying there is definitely a> > My original question was going to ask (was much more related to the > > original post) about mild astigmatism. *Now that I've seen a doctor, I > > can now see that everything really is showing up in double, and even > > to a certain extent in the eye that was measured spherical (I see > > things double vertically, but only about 1/3 as offset as things in > > the other eye that was measured -0.75/-1.00). *Is that mild of an > > issue not worth correcting? > Spectacle cylinder ("football" shape) is a mathematical model that only > approximates the real-world maps you see in corneal topography. > From your rx, we know in one eye, the closest approximation was a sphere.In > the other eye, the best model was toric. We use those simple models because > that's how you can cut real lenses. > Sphere or sphere-cylinder, you can see from corneal topographs that it's > more complicated - there are peaks and valleys and plains. > It's the plains that matter. If there's a big plain of uniform 45-diopter > surface on the left half of your cornea. it'll form a precise image at the > retina. If there's another big plain on the right half of your cornea, it > can be precisely the same power (45 D) without being precisely _coaxial_ so > that it forms another crisp image slightly offset from the other. > Ergo diplopia, a type that increases in dim light and disappears with a > pinhole. > > Anyway, the discussion in this thread that seemed to approach the > > recent debate about myopdia between Otis and company and the rest of > > the sane world is curious to me. > No, this thread has been blissfully FREE of that old crap. > Otis insists all myopia results from accommodation and that parents have a > duty to put drugstore glasses on children to prevent myopia, or to cut their > myopic correction so they can't read a blackboard. All with the intentionto > avoid further myopia. > I can't find any licensed doctors that agree with him. The ones I can find > say reading glasses don't prevent myopia. > > * I was wondering if you, Mike, could > > sum up your take on that. *It sounds like you're saying that the > > ciliary muscles are smooth (so body builder logic no longer applies), > Myopia is mostly due to the eye growing longer than average. The control > mechanism for axial growth does not appear to involve accommodation, because > manipulating accommodation with glasses/no glasses/plus glasses all have no > effect,. At least not enough to warrant intervention.. > Otis hasn't read that paper yet but Otis doesn't have to keep a license > current. > > and implying that they fatigue over the years from reading at close > > distances isn't a slam dunk, because we don't see rates of things like > > say, anal leakage, at nearly the rates for myopia in the population. > That's right. Myopes read a lot and readers get myopia but we haven't been > able to interrupt the relationship with reading glasses or any other > manipulation, except chemical. Ergo the tendency to myopia is mostly a > genetic trait. > > Now Pia, and my wife for that matter - have very strong myopia (my > > wife is over 600, etc) - and I think the "Myopia Myth" logic really > > breaks down strongly for these cases, but I'd kinda like to see the > > honest truth from someone, and I've read your replies in this thread > > and have come to respect your responses. *What about the mild cases? > If you could manipulate or alter the outcome of ordinary myopia with glasses > or treatments, I'd be doing it. I would patent my treatment, franchise it > and retire to the lake. > "Mild" cases of myopia are a blessing, a serendipitous adaptation that many > people are glad to have after 40, when hunter-gatherers put down their > spears. > > Any optical system is pretty fine tuned, and the only reason there is > > so much variance for error (there truly is, I didn't realize I > > actually see two red stoplights until just yesterday) is because the > > "image" we see is actually mostly reconstructed back from the already > > processed information (aka, lines, shapes, colors, glyphs...). > Most people can detect some diplopia or other aberration in dim light. > > My point is that I think it's pretty safe to assume that the logic of > > the Otis camp is clearly extreme and can't explain the myriads of over > > -6.00 young adults. > Or the fact that it's 10% in oklahoma and 70% in Singapore. > > *I'd be curious what your take would be on the > > edge cases, the IT guys who work at 12" for 10 hours a day and then go > > home and hit up the laptop for another 3, etc. *These people aren't > > that uncommon, and I'd love to find some solid, realistic advice on > > that situation. > Work hard, rock hard, eat hard, sleep hard, grow big, wear glasses if you > need 'em. > -MT correlation between a lot of close work and myopia, but we have so far not found a way to slow it down? Does the consensus think it's a causative relationship merely a statistical one? Do you have the name of that paper you mentioned that Otis hasn't read? Wasn't sure if that was a figurative statement or not. Also, about the double vision question I had, I meant that I see a double effect on horizontal edges, not sure if that matters. The left script was -0.75/-1.00/02. I've been noticing it though to a certain extent in my "better" eye, and in most lighting conditions. What worries me is that I can definitely make out two lines of text on a computer monitor even in the eye that had only a spherical script. I could just be over thinking this a lot, but it would seem to me that even more minor astigmatisms make things like reading take an unnecessary amount of effort because it's so much harder to perform edge detection. I've always dealt with not being able to sit down and read for significant periods of time despite being very academic. I'm one of those who is used to spending money on heathcare only to see my problems not get resolved - so I guess I'm trying to figure out if I should get a follow up eye exam so I don't end up wanting a revised prescription later. On my first visit, I didn't ask to be dilated, so I'm not sure if that makes a difference as well. Thanks for all the help, -David |
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#89
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| <dph[at]funtaff.net> wrote - quote - > My original question was going to ask (was much more related to the
Spectacle cylinder ("football" shape) is a mathematical model that only> original post) about mild astigmatism. Now that I've seen a doctor, I > can now see that everything really is showing up in double, and even > to a certain extent in the eye that was measured spherical (I see > things double vertically, but only about 1/3 as offset as things in > the other eye that was measured -0.75/-1.00). Is that mild of an > issue not worth correcting? approximates the real-world maps you see in corneal topography. From your rx, we know in one eye, the closest approximation was a sphere. In the other eye, the best model was toric. We use those simple models because that's how you can cut real lenses. Sphere or sphere-cylinder, you can see from corneal topographs that it's more complicated - there are peaks and valleys and plains. It's the plains that matter. If there's a big plain of uniform 45-diopter surface on the left half of your cornea. it'll form a precise image at the retina. If there's another big plain on the right half of your cornea, it can be precisely the same power (45 D) without being precisely _coaxial_ so that it forms another crisp image slightly offset from the other. Ergo diplopia, a type that increases in dim light and disappears with a pinhole. - quote - > Anyway, the discussion in this thread that seemed to approach the
No, this thread has been blissfully FREE of that old crap.> recent debate about myopdia between Otis and company and the rest of > the sane world is curious to me. Otis insists all myopia results from accommodation and that parents have a duty to put drugstore glasses on children to prevent myopia, or to cut their myopic correction so they can't read a blackboard. All with the intention to avoid further myopia. I can't find any licensed doctors that agree with him. The ones I can find say reading glasses don't prevent myopia. - quote - > I was wondering if you, Mike, could
Myopia is mostly due to the eye growing longer than average. The control> sum up your take on that. It sounds like you're saying that the > ciliary muscles are smooth (so body builder logic no longer applies), mechanism for axial growth does not appear to involve accommodation, because manipulating accommodation with glasses/no glasses/plus glasses all have no effect,. At least not enough to warrant intervention.. Otis hasn't read that paper yet but Otis doesn't have to keep a license current. - quote - > and implying that they fatigue over the years from reading at close
That's right. Myopes read a lot and readers get myopia but we haven't been> distances isn't a slam dunk, because we don't see rates of things like > say, anal leakage, at nearly the rates for myopia in the population. able to interrupt the relationship with reading glasses or any other manipulation, except chemical. Ergo the tendency to myopia is mostly a genetic trait. - quote - > Now Pia, and my wife for that matter - have very strong myopia (my
If you could manipulate or alter the outcome of ordinary myopia with glasses> wife is over 600, etc) - and I think the "Myopia Myth" logic really > breaks down strongly for these cases, but I'd kinda like to see the > honest truth from someone, and I've read your replies in this thread > and have come to respect your responses. What about the mild cases? or treatments, I'd be doing it. I would patent my treatment, franchise it and retire to the lake. "Mild" cases of myopia are a blessing, a serendipitous adaptation that many people are glad to have after 40, when hunter-gatherers put down their spears. - quote - > Any optical system is pretty fine tuned, and the only reason there is
Most people can detect some diplopia or other aberration in dim light.> so much variance for error (there truly is, I didn't realize I > actually see two red stoplights until just yesterday) is because the > "image" we see is actually mostly reconstructed back from the already > processed information (aka, lines, shapes, colors, glyphs...). - quote - > My point is that I think it's pretty safe to assume that the logic of
Or the fact that it's 10% in oklahoma and 70% in Singapore.> the Otis camp is clearly extreme and can't explain the myriads of over > -6.00 young adults. - quote - > I'd be curious what your take would be on the
Work hard, rock hard, eat hard, sleep hard, grow big, wear glasses if you> edge cases, the IT guys who work at 12" for 10 hours a day and then go > home and hit up the laptop for another 3, etc. These people aren't > that uncommon, and I'd love to find some solid, realistic advice on > that situation. need 'em. -MT |
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#88
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| On Mar 16, 4:24*pm, Dan Abel <da...[at]sonic.net> wrote: - quote - > In article
.... except, perhaps, for "pseudomyopia," or ... "accommodative> <b1072490-6db4-4a05-a177-e2886b6cc...[at]k19g2000prh.googlegroups.com> , > *d...[at]funtaff.net wrote: > > > As for the earth being flat.... > That one's pretty obvious, other than the hills and valleys, of course. > :-) > > for a moment that long periods at close distances aren't natural, > > sitting at a computer all day (at the age of 24) might be better > Many people have found that staring at a computer screen for long > periods of time causes problems. *Just looking up and across the room > occasionally will solve this problem. *Some people even set a timer to > remind themselves. *I find that getting up and walking around makes me > feel better, as my whole body seems to dislike sitting in one position a > long time. *It is important to note though, that despite the preachings > of Otis, none of this has anything to do with causing, preventing or > curing myopia. myopia," or ... "accommodative spasm," or ... whatever you call it. It can become 'semi-permanent,' but there's no evidence that it changes the shape of the eye -- even over time. Plus ... my "protocol" is a pretty sound way to avoid even the accommodative myopia ... and ... it don't cost nothin' ;-) |
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#87
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| In article <b1072490-6db4-4a05-a177-e2886b6ccf5f[at]k19g2000prh.googlegroups.com> , dph[at]funtaff.net wrote: - quote - > > As for the earth being flat....
That one's pretty obvious, other than the hills and valleys, of course.:-) - quote - > for a moment that long periods at close distances aren't natural,
Many people have found that staring at a computer screen for long> sitting at a computer all day (at the age of 24) might be better periods of time causes problems. Just looking up and across the room occasionally will solve this problem. Some people even set a timer to remind themselves. I find that getting up and walking around makes me feel better, as my whole body seems to dislike sitting in one position a long time. It is important to note though, that despite the preachings of Otis, none of this has anything to do with causing, preventing or curing myopia. -- Dan Abel Petaluma, California USA dabel[at]sonic.net |
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#86
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| On Mar 16, 2:51*pm, Neil Brooks <neil0...[at]yahoo.com> wrote: - quote - > On Mar 16, 3:21*pm, d...[at]funtaff.net wrote:
I'll let you do the honors, for fear he might turn on the honorable> > On Mar 16, 1:53*pm, d...[at]funtaff.net wrote: > > > On Mar 16, 1:43*pm, Dan Abel <da...[at]sonic.net> wrote: > > > > In article > > > > <8ece10a2-7f95-4639-8992-fd9acb1f6...[at]s9g2000prg.googlegroups.com> , > > > > *d...[at]funtaff.net wrote: > > > > > I stumbled on this thread looking for info on mild astigmatism. *I'm > > > > > 24 and had 20/15 or better through high school and just recently > > > > > noticed a problem while at the DMV, and saw an optometrist that wrote > > > > > me up for -1.25/sph and -0.75/-1.00. > > > > I'm going to jump in here also. *I'm going to ignore some of yourmost > > > > important questions, not because they aren't important, but becauseI > > > > just don't have the knowledge. *Perhaps Mike will answer. > > > > > My original question was going to ask (was much more related to the > > > > > original post) about mild astigmatism. *Now that I've seen a doctor, I > > > > > can now see that everything really is showing up in double, and even > > > > > to a certain extent in the eye that was measured spherical (I see > > > > > things double vertically, but only about 1/3 as offset as things in > > > > > the other eye that was measured -0.75/-1.00). *Is that mild of an > > > > > issue not worth correcting? > > > > What did the DMV say? *If they put a restriction on your license,you > > > > better wear the glasses. *I was told by a reliable source that you risk > > > > non-payment by your insurance company for an accident, plus being cited, > > > > if you drive without correction if the DMV requires it. > > > > > say, anal leakage, > > > > I believe that was intended as a joke. *A poster was claiming to only > > > > use their anal sphincter muscle for a few minutes a day. *That's exactly > > > > backwards. *It is normal for people to have their anal sphincter muscle > > > > constricted almost 24 hours a day, and only relax it when sitting on the > > > > toilet. > > > > > My point is that I think it's pretty safe to assume that the logic of > > > > > the Otis camp is clearly extreme > > > > The logic isn't that bad, it just doesn't work. *Otis and others won't > > > > let go of it, even though studies have been done that show it doesn't > > > > work. *As an example, it is pretty obvious from a casual look, that the > > > > sun revolves around the earth. *However, as science advanced, it was > > > > proved that that theory just didn't work. *Even when some Pope decreed > > > > that the sun went around the earth, it still didn't! > > > > -- > > > > Dan Abel > > > > Petaluma, California USA > > > > da...[at]sonic.net > > > Oh I read the line at the DMV, but just had a shock that I almost > > > could not because it was totally blurry. *So in that respect, I just > > > want to do what's best for me. *I'm fairly excited though because I > > > can't read street signs from too far away when driving, and my wife > > > with glasses can - so that's something to look forward to. *I'd also > > > perhaps like to look into correcting the astigmatism for close work (I > > > think at my script the same glasses should be fine though) - because > > > I've always dealt with focus (concentration) issues, and the thought > > > has occurred to me that I may be struggling because it takes more > > > effort than normal to make out the letters, as my mind is removing the > > > double vision. *This last thought though is slightly less informed > > > than some of the other statements I've made. > > > As for the Pope - any physicist will tell you that it's just a frame > > > of reference . *The reason we say the Earth revolves around the Sun> > > is not because the Earth is the fixed body in the equation, but > > > because there are other bodies following a similar path around the Sun > > > that from a broad perspective make more sense to describe as revolving > > > around the Sun and not vice versa. > > > As for the earth being flat.... > > > -David > > I made a little typo about the Sun/Earth thing above, but I trust > > you'll in good faith forgive me .> > Also, as for the anal sphincter thing - and I think it was discussed > > as much as a joke as it is a serious corollary - *what you said brings > > up a good point of distinction. *That muscle feels more strongly > > contracted (as a matter of force as opposed to distance) when the > > rectum is full than otherwise. *The way I understand it, if we hold > > for a moment that long periods at close distances aren't natural, > > sitting at a computer all day (at the age of 24) might be better > > compared to mildly needing to pass a bowel movement and withholding... > > for 10 hours a day... every day . *This comparison makes quite a lot> > of assumptions, but I think there is probably a focal distance and an > > age group where this makes sense. > > -David > At this point, a quick e-mail to Otis seems very relevant ... since he > has his head up his ass.... ;-) research institution that I work at =D. -David |
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#85
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| On Mar 16, 3:21*pm, d...[at]funtaff.net wrote: - quote - > On Mar 16, 1:53*pm, d...[at]funtaff.net wrote: > > On Mar 16, 1:43*pm, Dan Abel <da...[at]sonic.net> wrote: > > > In article > > > <8ece10a2-7f95-4639-8992-fd9acb1f6...[at]s9g2000prg.googlegroups.com> , > > > *d...[at]funtaff.net wrote: > > > > I stumbled on this thread looking for info on mild astigmatism. *I'm > > > > 24 and had 20/15 or better through high school and just recently > > > > noticed a problem while at the DMV, and saw an optometrist that wrote > > > > me up for -1.25/sph and -0.75/-1.00. > > > I'm going to jump in here also. *I'm going to ignore some of your most > > > important questions, not because they aren't important, but because I > > > just don't have the knowledge. *Perhaps Mike will answer. > > > > My original question was going to ask (was much more related to the > > > > original post) about mild astigmatism. *Now that I've seen a doctor, I > > > > can now see that everything really is showing up in double, and even > > > > to a certain extent in the eye that was measured spherical (I see > > > > things double vertically, but only about 1/3 as offset as things in > > > > the other eye that was measured -0.75/-1.00). *Is that mild of an > > > > issue not worth correcting? > > > What did the DMV say? *If they put a restriction on your license, you > > > better wear the glasses. *I was told by a reliable source that you risk > > > non-payment by your insurance company for an accident, plus being cited, > > > if you drive without correction if the DMV requires it. > > > > say, anal leakage, > > > I believe that was intended as a joke. *A poster was claiming to only > > > use their anal sphincter muscle for a few minutes a day. *That's exactly > > > backwards. *It is normal for people to have their anal sphincter muscle > > > constricted almost 24 hours a day, and only relax it when sitting on the > > > toilet. > > > > My point is that I think it's pretty safe to assume that the logic of > > > > the Otis camp is clearly extreme > > > The logic isn't that bad, it just doesn't work. *Otis and others won't > > > let go of it, even though studies have been done that show it doesn't > > > work. *As an example, it is pretty obvious from a casual look, thatthe > > > sun revolves around the earth. *However, as science advanced, it was > > > proved that that theory just didn't work. *Even when some Pope decreed > > > that the sun went around the earth, it still didn't! > > > -- > > > Dan Abel > > > Petaluma, California USA > > > da...[at]sonic.net > > Oh I read the line at the DMV, but just had a shock that I almost > > could not because it was totally blurry. *So in that respect, I just > > want to do what's best for me. *I'm fairly excited though because I > > can't read street signs from too far away when driving, and my wife > > with glasses can - so that's something to look forward to. *I'd also > > perhaps like to look into correcting the astigmatism for close work (I > > think at my script the same glasses should be fine though) - because > > I've always dealt with focus (concentration) issues, and the thought > > has occurred to me that I may be struggling because it takes more > > effort than normal to make out the letters, as my mind is removing the > > double vision. *This last thought though is slightly less informed > > than some of the other statements I've made. > > As for the Pope - any physicist will tell you that it's just a frame > > of reference . *The reason we say the Earth revolves around the Sun> > is not because the Earth is the fixed body in the equation, but > > because there are other bodies following a similar path around the Sun > > that from a broad perspective make more sense to describe as revolving > > around the Sun and not vice versa. > > As for the earth being flat.... > > -David > I made a little typo about the Sun/Earth thing above, but I trust > you'll in good faith forgive me .> Also, as for the anal sphincter thing - and I think it was discussed > as much as a joke as it is a serious corollary - *what you said brings > up a good point of distinction. *That muscle feels more strongly > contracted (as a matter of force as opposed to distance) when the > rectum is full than otherwise. *The way I understand it, if we hold > for a moment that long periods at close distances aren't natural, > sitting at a computer all day (at the age of 24) might be better > compared to mildly needing to pass a bowel movement and withholding... > for 10 hours a day... every day . *This comparison makes quite a lot> of assumptions, but I think there is probably a focal distance and an > age group where this makes sense. > -David At this point, a quick e-mail to Otis seems very relevant ... since he has his head up his ass.... ;-) |
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#84
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| On Mar 16, 2:32*pm, d...[at]funtaff.net wrote: - quote - > On Mar 16, 12:14*pm, Neil Brooks <neil0...[at]yahoo.com> wrote: http://www.agingeye.net/visionbasics...nandvision.php> > Lemme' jump in here, uninvited, with what I call my "protocol." > > It, literally, has answered the concerns of even the lunatic fringe, > > on this subject: > > 1) If you're a low, simple myope, then take off your glasses for near > > work; > > 2) Pay meticulous attention to proper visual hygiene, including > > frequent breaks; > > 3) Get plenty of fresh air, sunshine, and vigorous exercise (implicit > > in this is using your eyes to gaze way out at optical infinity, or > > nearly so); > > 4) Eat a balanced, healthy diet, rich in fruits and vegetables; > > 5) Practice ocular motility exercises (a/k/a "Yoga for the eyes"); > > 6) Use periocular warming* a couple of times each day, and after > > sustained near work. *This has been found, scientifically, to restore > > accommodative amplitudes. > > *Fill a sock with corn or rice. *Heat up (WARM, NOT HOT) in a > > microwave. *Put the warm bag over your closed eyes for 10 minutes. *If > > desired, you can also learn the technique of "lid expression" to help > > increase flow of the meibomian glands -- a producer of one of the > > three components of tear film, responsible for a stable tear lens. > > Neil > > Chief Executive Officer > > Otis is an Embittered Whack-Job, Inc. > Seems pretty solid. *For the (unbalanced) diet, are there some > particular areas you can stress regarding keeping vision in good > shape? Just a jumping-off point. - quote - > *Also, any links to ocular motility exercises,
I would, literally, Google "yoga eyes," but here's one random link:http://www.holisticonline.com/yoga/h..._pos_eyeex.htm - quote - > or papers
Try this one:> regarding the periocular warming you can recommend? * http://tinyurl.com/4euexa Others have said that I'm taking liberties with my conclusions, based on that article. I'll leave it to you to decide on its implications.... - quote - > I'll look them up
Best of luck!> regardless, but direction always helps. > Thanks, > -David |
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#83
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| On Mar 16, 1:53*pm, d...[at]funtaff.net wrote: - quote - > On Mar 16, 1:43*pm, Dan Abel <da...[at]sonic.net> wrote:
I made a little typo about the Sun/Earth thing above, but I trust> > In article > > <8ece10a2-7f95-4639-8992-fd9acb1f6...[at]s9g2000prg.googlegroups.com> , > > *d...[at]funtaff.net wrote: > > > I stumbled on this thread looking for info on mild astigmatism. *I'm > > > 24 and had 20/15 or better through high school and just recently > > > noticed a problem while at the DMV, and saw an optometrist that wrote > > > me up for -1.25/sph and -0.75/-1.00. > > I'm going to jump in here also. *I'm going to ignore some of your most > > important questions, not because they aren't important, but because I > > just don't have the knowledge. *Perhaps Mike will answer. > > > My original question was going to ask (was much more related to the > > > original post) about mild astigmatism. *Now that I've seen a doctor, I > > > can now see that everything really is showing up in double, and even > > > to a certain extent in the eye that was measured spherical (I see > > > things double vertically, but only about 1/3 as offset as things in > > > the other eye that was measured -0.75/-1.00). *Is that mild of an > > > issue not worth correcting? > > What did the DMV say? *If they put a restriction on your license, you > > better wear the glasses. *I was told by a reliable source that you risk > > non-payment by your insurance company for an accident, plus being cited, > > if you drive without correction if the DMV requires it. > > > say, anal leakage, > > I believe that was intended as a joke. *A poster was claiming to only > > use their anal sphincter muscle for a few minutes a day. *That's exactly > > backwards. *It is normal for people to have their anal sphincter muscle > > constricted almost 24 hours a day, and only relax it when sitting on the > > toilet. > > > My point is that I think it's pretty safe to assume that the logic of > > > the Otis camp is clearly extreme > > The logic isn't that bad, it just doesn't work. *Otis and others won't > > let go of it, even though studies have been done that show it doesn't > > work. *As an example, it is pretty obvious from a casual look, that the > > sun revolves around the earth. *However, as science advanced, it was > > proved that that theory just didn't work. *Even when some Pope decreed > > that the sun went around the earth, it still didn't! > > -- > > Dan Abel > > Petaluma, California USA > > da...[at]sonic.net > Oh I read the line at the DMV, but just had a shock that I almost > could not because it was totally blurry. *So in that respect, I just > want to do what's best for me. *I'm fairly excited though because I > can't read street signs from too far away when driving, and my wife > with glasses can - so that's something to look forward to. *I'd also > perhaps like to look into correcting the astigmatism for close work (I > think at my script the same glasses should be fine though) - because > I've always dealt with focus (concentration) issues, and the thought > has occurred to me that I may be struggling because it takes more > effort than normal to make out the letters, as my mind is removing the > double vision. *This last thought though is slightly less informed > than some of the other statements I've made. > As for the Pope - any physicist will tell you that it's just a frame > of reference . *The reason we say the Earth revolves around the Sun> is not because the Earth is the fixed body in the equation, but > because there are other bodies following a similar path around the Sun > that from a broad perspective make more sense to describe as revolving > around the Sun and not vice versa. > As for the earth being flat.... > -David you'll in good faith forgive me .Also, as for the anal sphincter thing - and I think it was discussed as much as a joke as it is a serious corollary - what you said brings up a good point of distinction. That muscle feels more strongly contracted (as a matter of force as opposed to distance) when the rectum is full than otherwise. The way I understand it, if we hold for a moment that long periods at close distances aren't natural, sitting at a computer all day (at the age of 24) might be better compared to mildly needing to pass a bowel movement and withholding... for 10 hours a day... every day . This comparison makes quite a lotof assumptions, but I think there is probably a focal distance and an age group where this makes sense. -David |
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#82
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| On Mar 16, 1:43*pm, Dan Abel <da...[at]sonic.net> wrote: - quote - > In article
Oh I read the line at the DMV, but just had a shock that I almost> <8ece10a2-7f95-4639-8992-fd9acb1f6...[at]s9g2000prg.googlegroups.com> , > *d...[at]funtaff.net wrote: > > I stumbled on this thread looking for info on mild astigmatism. *I'm > > 24 and had 20/15 or better through high school and just recently > > noticed a problem while at the DMV, and saw an optometrist that wrote > > me up for -1.25/sph and -0.75/-1.00. > I'm going to jump in here also. *I'm going to ignore some of your most > important questions, not because they aren't important, but because I > just don't have the knowledge. *Perhaps Mike will answer. > > My original question was going to ask (was much more related to the > > original post) about mild astigmatism. *Now that I've seen a doctor, I > > can now see that everything really is showing up in double, and even > > to a certain extent in the eye that was measured spherical (I see > > things double vertically, but only about 1/3 as offset as things in > > the other eye that was measured -0.75/-1.00). *Is that mild of an > > issue not worth correcting? > What did the DMV say? *If they put a restriction on your license, you > better wear the glasses. *I was told by a reliable source that you risk > non-payment by your insurance company for an accident, plus being cited, > if you drive without correction if the DMV requires it. > > say, anal leakage, > I believe that was intended as a joke. *A poster was claiming to only > use their anal sphincter muscle for a few minutes a day. *That's exactly > backwards. *It is normal for people to have their anal sphincter muscle > constricted almost 24 hours a day, and only relax it when sitting on the > toilet. > > My point is that I think it's pretty safe to assume that the logic of > > the Otis camp is clearly extreme > The logic isn't that bad, it just doesn't work. *Otis and others won't > let go of it, even though studies have been done that show it doesn't > work. *As an example, it is pretty obvious from a casual look, that the > sun revolves around the earth. *However, as science advanced, it was > proved that that theory just didn't work. *Even when some Pope decreed > that the sun went around the earth, it still didn't! > -- > Dan Abel > Petaluma, California USA > da...[at]sonic.net could not because it was totally blurry. So in that respect, I just want to do what's best for me. I'm fairly excited though because I can't read street signs from too far away when driving, and my wife with glasses can - so that's something to look forward to. I'd also perhaps like to look into correcting the astigmatism for close work (I think at my script the same glasses should be fine though) - because I've always dealt with focus (concentration) issues, and the thought has occurred to me that I may be struggling because it takes more effort than normal to make out the letters, as my mind is removing the double vision. This last thought though is slightly less informed than some of the other statements I've made. As for the Pope - any physicist will tell you that it's just a frame of reference . The reason we say the Earth revolves around the Sunis not because the Earth is the fixed body in the equation, but because there are other bodies following a similar path around the Sun that from a broad perspective make more sense to describe as revolving around the Sun and not vice versa. As for the earth being flat.... -David |
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