Why does eyesight blur when the eye is rubbed?

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Offline FuzzyUK

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Why does eyesight blur when the eye is rubbed?
« on: 08/12/2009 12:00:06 »
When I rub my eye (with my eyelid closed) my vision blurs for several tens of minutes. What is causing the blur? Is it the lens distorting it's shape, the cornea buckling, the viscous fluid in the eye itself, pressure on the retina, or some other factor?

Eye'll be looking out for an answer.
« Last Edit: 10/12/2009 19:23:52 by FuzzyUK »

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Offline Chemistry4me

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Re: Why does eyesight blur when the eye is rubbed?
« Reply #1 on: 08/12/2009 20:59:52 »
my vision blurs for several tens of minutes.
That's quite a very long time is it not? On my attempt, it lasted about 1 second.