The latest Tweets from Chris Layden (@ChrisLayden). Experis_US Managing Director, Global Shaper. Milwaukee, WI
Diplopia or double vision is seeing two images of a single object, either one on top of the other, side by side, or a mix of both.
1 The earliest signs are often double vision and drooping eyelids, or ptosis.  Graves' disease is a thyroid condition that affects the muscles of the eyes. Graves' disease commonly causes vertical diplopia. With vertical diplopia, one image is on top of the other.