A member asked:

Somedays upon waking i see a black vessel like line in my vision. only lasts a second & maybe reappears for the next few blinks. fine for rest of day?

A doctor has provided 1 answer

Normal: You are actually seeing the shadow of blood vessels in the back of the eye. When you wake, and the light is in the right orientation, you can see this shadow as a leaf vein type pattern. It is normal and not something to worry about.

Answered 2/20/2015

3.2k views

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