Interesting question: This may be caused by an intracranial lesion. This symptom warrants an exam with an ophthalmologist. If you do not know of one have your primary care physician refer you to one.
Answered 6/12/2017
663 views
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question