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When you got your eyes checked, did anybody mention a possible detached vitreous? The gel (vitreous) in the eye can tear away from the cornea. This is not the same as a detached cornea but should be watched because it indicates stress to that vitreous-cornea surface.

PVD, Posterior Vitreal Detachment can cause these odd visual conditions.

PVD is not usually a concern. It is more annoying.

A way you can check your eyes is simple. When in a dark room, move your eyes from side to side or up and down quickly. If you see flashing light, you should be followed by the appropriate optometrist or ophthalmologist.

A behavioral optometrist exam might be worthwhile. They can check how your eyes are behaving together.