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Medical Forum / General / Vision / November 2007Longsight correction
Hi, I have been looking up the net and there have been mentions of people with longsight wearing minus lenses to reverse their longsight? Has anyone heard of this? Could it be possible? I am fairly longsighted so would like to try and improve it. > Hi, I have been looking up the net and there have been mentions of > people with longsight wearing minus lenses to reverse their longsight? > Has anyone heard of this? Could it be possible? I am fairly > longsighted so would like to try and improve it. The research shows that people wearing minus for ordinary nearsightedness *don't* get worse just because they wear minus, so it's unrealistic to expect those lenses to cause myopic shift in anyone else. According to the reasearch, the only stimulus that might promote nearsightedness is lots of close work. OTOH, it's pretty rare for myopia to *start* after college. -MT > > Hi, I have been looking up the net and there have been mentions of > > people with longsight wearing minus lenses to reverse their longsight? [quoted text clipped - 4 lines] > *don't* get worse just because they wear minus, so it's unrealistic to > expect those lenses to cause myopic shift in anyone else. Except pure, dear monkey. > According to the reasearch, >the only stimulus that might promote > nearsightedness is lots of close work. > > OTOH, it's pretty rare for myopia to *start* after college. Bet: if I go to OD I 'll get my minus prescription. with adds. > -MT > Bet: > if I go to OD I 'll get my minus prescription. with adds. Bet: if I go buy shoes they'll measure my feet at 10 1/2. -MT > > Bet: > > if I go to OD I 'll get my minus prescription. with adds. > > Bet: if I go buy shoes they'll measure my feet at 10 1/2. > > -MT Difference: You need shoes, at least time to time. I do not need glasses. But it is excellent example with shoes! Every time when I try knee-high boots (stories like Macys, or former Marshall Fields) I find out 1. They are not knee-high, they made shorter for "average" short legs. 2. Every sales associate explains that the boots do not have too wide calf for my legs, that it is the fashion when boots wide and stick out. I even can "use" ( the best advise of OD is "to use") to that fit, but I prefer old fashioned European fit. > > Bet: > > if I go to OD I 'll get my minus prescription. with adds. > > Bet: if I go buy shoes they'll measure my feet at 10 1/2. I suspect that OD prescriptions are a better predictor of lens power than foot measurements are of shoe size. The people who make shoes and the people who make the measurement instruments aren't very consistent. > In article <TNydnRGm3ad0IrranZ2dnUVZ_sejn...@giganews.com>, > [quoted text clipped - 6 lines] > than foot measurements are of shoe size. The people who make shoes and > the people who make the measurement instruments aren't very consistent. Do not think so OD use devise at first And then ask you: "better this or this" changing lenses, right like you trying shoes Only they have an aura of specialist-authority. The process of making really good shoes is much more complicated that making good_plastic lenses. Start with making fine leather: leather of enimals that were bitten by some kind of insects will not work. > > In article <TNydnRGm3ad0IrranZ2dnUVZ_sejn...@giganews.com>, > [quoted text clipped - 17 lines] > Start with making fine leather: leather of enimals that were bitten > by some kind of insects will not work. Lena, Were you raped, or otherwise physically or sexually harmed by an eye doctor? Seriously. Were you? If not, then could you please explain your pathological bias -- to the point of pure lies and unfounded speculation -- against them? Thanks. >> *don't* get worse just because they wear minus, so it's unrealistic to >> expect those lenses to cause myopic shift in anyone else. > > Except pure, dear monkey. In some species, not others. And you have to suture the lenses in place. Short intervals without lenses ruin the effect. -MT > >> *don't* get worse just because they wear minus, so it's unrealistic to > >> expect those lenses to cause myopic shift in anyone else. > > > Except pure, dear monkey. > > In some species, not others. We are that some species. > And you have to suture the lenses in place. Short intervals without lenses > ruin the effect. In monkey. Not in us. We are getting into panic within that short interval without , which makes things even worse. > -MT Dear Bre, I do not know what you interests are -- but here is what happens when you place a -3 diopter lens on a population of natural eyes that have a positive refractive STATE (i.e., technically "long-sighted"). http://www.geocities.com/otisbrown17268/FundEye.html There is a lot of bias about the behavior of the natural eye -- so I always stick to "just" the scientific facts. You should also define "long-sighted" in better terms. Do you mean you have some blur while reading? Second-opinion best, Otis > Hi, I have been looking up the net and there have been mentions of > people with longsight wearing minus lenses to reverse their longsight? > Has anyone heard of this? Could it be possible? I am fairly > longsighted so would like to try and improve it. On Oct 30, 12:44 pm, "otisbr...@pa.net" <otisbr...@pa.net> wrote: > Dear Bre, > [quoted text clipped - 25 lines] > > - Show quoted text - Fundamental eye? Fundamental B.S. Nobody puts a -3 diopter lens on a +4.3 diopter eye except on primates in a laboratory environment. > On Oct 30, 12:44 pm, "otisbr...@pa.net" <otisbr...@pa.net> wrote: > > I do not know what you interests are -- but here is > > what happens when you place a -3 diopter lens [quoted text clipped - 4 lines] > Fundamental eye? Fundamental B.S. Nobody puts a -3 diopter lens on a > +4.3 diopter eye except on primates in a laboratory environment. True. Very true. You've figured that out. I've figured that out. I'm quite certain that Mike Tyner, and a few others, have figured that out. But this lying piece of sh.t, Otis, still offers it up as gospel. Sounds good, too, until and unless somebody points OUT what you pointed out. Otis? Time to up the dosage again. On Oct 30, 2:44 pm, "otisbr...@pa.net" <otisbr...@pa.net> wrote: > Dear Bre, > [quoted text clipped - 23 lines] > > Has anyone heard of this? Could it be possible? I am fairly > > longsighted so would like to try and improve it. Bre, please disregard the ramblings of this disgruntled unemployed engineer, Otis Brown, who posts all the time on this newsgroup as though he is knowledgable in vision. the situation that he is referring to is that, early experiments showed that permanently suturing excessive minus-powered lenses onto monkey eyes, even if they don't need them, will cause them to develop nearsightedness over time. these experiments were carried out 30-40 years ago since such treatment to animals is prohibited nowadays. regardless, more recently, using human subjects, it has been shown that using lenses of different powers has virtually NO EFFECT on further changes in a persons refractive error. Otis knows these experimental results but he simply ignors them because they do not support his "beliefs". there is no known way, using spectacles or contacts, to turn your farsighted refractive error into less farsightedness, emmetropia, or myopia. Of course, spectacles or contacts can be used to compensate when you have them on. And LASIK can also be used to treat your condition. |
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