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sci.med.vision |
: "As a matter of fact the sight ALWAYS improves, to a greater or less >Bates: "That glasses cannot improve the sight to normal can be very simply It's still not the same as someone with perfect sight seeing, yes more
>demonstrated by looking at any color through a strong convex or concave
>glass.
>It will be noted that the color is ALWAYS less intense than when seen with
>the
>naked eye; and since the perception of form depends upon the perception of
>color, it follows that both color and form MUST be less distinctly seen with
>glasses than without them." [emphasis mine]
>I don't get the same results. Most of my patients see better color and form
>_with_ their glasses than without them. Minus lenses minify and have barrel
>distortion, but that doesn't outweigh seeing forms you can't see without
>them,
>seeing sharp borders between colors where they aren't blurred together.
functional
>Bates: "Even plane glass lowers the vision both for color and form, as Disagree look through any glass less quality of color
>EVERYONE
>knows who has ever looked out of a window."
>I don't get that either. There's a difference, but I don't think "everyone"
>notices it. Maybe glass is better these days? Spectacle lenses are clear on
>the
>edges, not green like windowpanes. Color distortion is measured by
>spectroscopy
>and the spectrograph of CR-39 is remarkably flat.
>degree, when glasses are discarded, although the fact may not always be MAybe we just become accustomed to blurriness? Sure seems like a
>noted. "
>I don't get the same result. If you can't "note" improvement, where is it?
>Refractive error simply does not go away when they take off their glasses.
>Ask
>patients who lose their glasses and make do without them for three months.
>Their
>refractions are not generally better. Every eye doctor can document anecdotes
>that disprove this gross generalization, and very few to support it.
little rebound effect. Who did without their glasses for 3 months,
most people run right out?
>Bates: "That the human eye resents glasses is a fact which NO ONE would Ask them whether they'd rather see without them no problem. Yes most
>attempt
>to deny."
>I would. Ask a hyperope or presbyope if his eyes feel better with or without
>glasses.
everyone would prefer not to need glasses
>Bates: "The strong concave glasses required by myopes of high degree make all People become accustomed and function alright, there is still changes
>objects seem much smaller than they really are, while convex glasses enlarge
>them. - These are unpleasantnesses that CANNOT be overcome."
>But people overcome them all the time.
in the way things are seen compared to perfect light
>Bates: "ALL glasses contract the field of vision to a greater or less How well can you see out of corner of your eye with glasses. It's all
>degree."
>Patently false. Minus spectacle lenses can increase the field of vision. They
>don't always, but they certainly can be made to. Minus lenses minify, and
>more
>objects are "drawn into" the field.
blurry and lose attention to this field focusing only on part glasses
make artificially clear.
>Bates: "It has been demonstrated, however, that the lens is NOT A FACTOR, I already posted the studies that it's not all the lens either.
>either
>in the production of accommodation, or in the correction of errors of
>refraction. Therefore under NO circumstances can there be a strain of the
>ciliary muscle to be relieved."
>Patently false. No contribution at all? Ask any aphake. Ask yourself after
>cycloplegia. Ask any eye surgeon - they pluck 'em out all the time and
>usually
>the other parts still work.
>Bates: "It is fortunate that many people for whom glasses have been Minus lenses make the eyes worse some of us think. Otis just posted
>prescribed
>refuse to wear them, thus escaping not only much discomfort but much INJURY
>to
>their eyes."
>This is particularly treacherous if they drive. Bates didn't have to meet his
>patients on a dark rainy highway with 120 mph between them. I can't find this
>INJURY he's talking about.
about this better than I can. Got to go don't have time to address any
more, will do changes in refraction later.