A member asked:

When i rub my right eye i have fine flash covering the lower eyelid margin.i have seen my ret spclist.flash at bottom means inferior retina involved?

A doctor has provided 1 answer

Vitreous traction: When your vitreous is moved around by the rubbing of the eye, it tugs a little on the retina which responds to the mechanical stimulus by thinking this is a light signal and you see a flash of light. The images on the retina are from the opposite side so a flash from below originates in the retina above. If the retinal specialist saw not problem, then don't worry.

Answered 12/8/2018

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