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Re: Can difference in vision be explained?

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Re: Can difference in vision be explained?

Dan Abel29 Dec 2006 16:49
> Is there a scientific explanation for why two people with the same
> prescription appear to have different levels of vision?  For example, I've
> read somewhere that two people who are -3 won't necessarily see the same
> without glasses, one might see better/worse than the other.  What factors
> influence this?

There are a lot of factors, for instance cataract.  -3 doesn't tell how
well someone sees, it is just the correction that gives best vision for
that individual.

Don't pay any attention to Otis.

katy29 Dec 2006 07:22
Is there a scientific explanation for why two people with the same
prescription appear to have different levels of vision?  For example, I've
read somewhere that two people who are -3 won't necessarily see the same
without glasses, one might see better/worse than the other.  What factors
influence this?

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