Convergence insufficiency (CI) is a binocular vision disorder in which the eyes are unable to work together properly when focusing on near objects. This condition can lead to symptoms such as eye ...

This story is part of a series on the current progression in Regenerative Medicine. This piece is part of a series dedicated to the eye and improvements in restoring vision. In 1999, I defined ...

Double vision, or diplopia, occurs when a person sees two images instead of one. Performing certain eye exercises may help to reduce double vision in some cases. When a person has double vision, the ...

THE photoelectric corneal reflex method of recording eye movements of subjects in the sitting position 1 has been applied to the investigation of eye movements which occur when convergence is ...