The feeling of seeing double images of one object sucks and needs to take seriously. Double vision, so called diplopia, is usually caused by the partial function loss of the vision system. I mean, cornea, eye muscle, lens, brain or nerve problems affect the continue functioning of the vision system. Specifically, shingles or herpes zoster of the cornea will distort the affected eyes. A study on Apr.8. 2013 has found there is a relationship between the rheumatoid arthritis and diplopia. Reading more from the attached link. According to them, the female patients are easier to have rheumatoid arthritis and experience double vision then the male. What is more, the possibility that both symptoms occur at the same time grows with ages, and highest at 49.59% at 60 or more.
