10 Common Causes of Double Vision
Article Sources
- 1. Edsel B Ing, M. (2020, June 11). Ophthalmologic Manifestations of Myasthenia Gravis. Retrieved November 18, 2020, from https://emedicine.medscape.com/article/1216417-overview
- 2. Neeraj N Mathur, M. (2020, May 12). Orbital Fractures. Retrieved November 18, 2020, from https://emedicine.medscape.com/article/867985-overview
- 3. Suhr, C. L., OD, Chubb, L., OD, & Himmelein, L., OD. (2019, August 15). Top Causes of Double Vision. Retrieved November 18, 2020, from https://www.reviewofoptometry.com/article/top-causes-of-double-vision
7. Myasthenia Gravis
Myasthenia gravis is a neuromuscular disease where the immune system produces proteins (autoantibodies) that mistakenly target the places where nerves transmit impulses to muscles (receptors). As a result, muscles constantly receive the signal to contract; however, this makes them prone to fatigue and produces muscle weakness that worsens with use.
When myasthenia gravis affects the eyes (50% of cases), patients commonly report drooping of one or both upper eyelids and/or double vision1Edsel B Ing, M. (2020, June 11). Ophthalmologic Manifestations of Myasthenia Gravis. Retrieved November 18, 2020, from https://emedicine.medscape.com/article/1216417-overview. In this case, binocular diplopia occurs because the muscles that move the eyes within the socket become affected. Other manifestations of the disease include swallowing difficulties, slurred speech, hoarseness, and shortness of breath. In general, these symptoms tend to improve with rest and worsen in the second half of the day.
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