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Smack me 'til my vision clears ...

More weirdness from the New Scientist: a band of artificial muscle could be stitched around the eyeball. It would constrict the eyeball when triggered by a tap upside your head.

I remember noticing long ago that pressure on my eyeball distorted my vision, as it might reasonably be expected to do. But as I try it now it mainly causes a somewhat seasicky swimming and blurring of the image I see. Seems to me this technology would be pretty hard to implement effectively, let alone safely. And the surgery -- yeowtch!

Also, wouldn't this whole thing also increase the pressure in the eyeball? Isn't that pretty much the whole problem in glaucoma? Come on, people!

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