Ghosting

Double vision is a phenomenon where the image seen by both eyes does not match when perceived by one eye. This can be caused by various reasons, such as cataracts, glaucoma, macular degeneration, refractive errors, eye injuries, optic atrophy, etc. Double vision may be temporary, associated with vascular disorders of the brain, for example, after intravenous infusions or low blood pressure. pressure, or chronic, if the cause of double vision persists for a long time, then they talk about diplopia.

Diplopia is double vision that has a stable, ongoing character, most often caused by diseases of the visual analyzer, but it may have other causes. Diplopia occurs when the extraocular muscles are paralyzed or when they contract too much. Sometimes this is observed with individual violations of the location of the visual axes of the two eyes relative to each other or in case of their slight difference.

Among the pathologies that can cause diplopia are:

Parkinson's disease;