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A member asked:
Flashes at the bottom of eye means vitreoretinal traction at the top?similarly traction at nasal side of the vitreous base causes flashes in temporal?
3 doctors weighed in across 2 answers
Flashes: Flashes can be caused by pulling of the vitreous base on the retina, but is not always determined by the location of the pull which is irrelevant. If you are having continued flashes, please see an ophthalmologist or a retina specialist for a thorough exam.
Answered 12/27/2013
4.6k views
Usually: The retina receives an image upside down and reversed (it is perceived by the brain as right side up) and so traction as you describe occurs in the opposite part of the back of the eye to its projected image. So traction at the top causes symptoms in the bottom of the field of view for instance and traction towards the nose is perceived as light coming from the temporal (ear) side of the view.
Answered 7/27/2015
2.5k views
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