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Message from discussion Latent Hyperopia - Child age 6 - glasses? (+3.25 script)
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otisbr...@embarqmail.com  
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 More options Aug 29 2008, 3:24 pm
Newsgroups: sci.med.vision
From: otisbr...@embarqmail.com
Date: Thu, 28 Aug 2008 21:24:49 -0700 (PDT)
Local: Fri, Aug 29 2008 3:24 pm
Subject: Re: Latent Hyperopia - Child age 6 - glasses? (+3.25 script)

Bill,

If you put a +3 diopter on a primate, his refractive STATE will
simply "move more positive".

Click here watch the blue-tint model of the natural eye.

http://vision.berkeley.edu/wildsoet/myopiaprimer.html

So the effect on the primate eye is proven as fundamental science.

But for a child ...?

Science is clear.

Mose people are not.

Otis

On Aug 29, 12:14 am, Salmon Egg <Salmon...@sbcglobal.net> wrote:

> Suppose it is true that corrective negative lenses to compensate for
> myopia myopia does indeed lead to progressive myopia. (Don't jump on me
> yet.) How could such putative knowledge  be used to cure hyperopia?

> Suppose enough positive power is used to correct a young child's
> hyperopia so that reading distance is moved in to be closer than typical
> reading distance. That is, the far point is brought into where the
> normal near point would be. Then I would expect that all the visual
> behavior with such positive lenses would be pretty much the same as that
> of a myope. Would that cause the eyeball to lengthen? I sure do not know.

> Such technique is probably testable on animal models. Other strategies
> might hold even more promise.

> Bill


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