Diplopia is when you see two images of the same thing. You might know it as double vision. You might have diplopia in one eye or both. Generally, double vision in both eyes is more serious than if you ...

Dry eyes occur if you’re unable to produce enough tears or they evaporate too quickly. This can alter how light enters the eye, causing you to see two images, also known as double vision. Double ...

Dr. Keith Roach writes a medical question-and-answer column weekdays. Dear Dr. Roach: For two weeks, I have had double vision when I look down to the lower side. Each eye is individually normal, but I ...