Replacement lens - implanting artificial lenses is a recent development, and can be placed in front of the original lens, through a small cut in the cornea, to correct an eye defects. A cataract ...

Medically reviewed by Johnstone M. Kim, MD A coloboma is a missing piece of tissue in a person's eye. It is a congenital ...

Orthoptics is the investigation and management of disorders of binocular vision and defects of eye movement. Orthoptists make a valuable contribution to the eye care team, working with patients of all ...

Convex and concave lenses can both be used to correct defects of vision. The most commonly occurring defects of vision are ‘short sightedness’ and ‘long sightedness’. People who are ...

a year. It is characterised by rapid involuntary movements of the eyes, associated with defect of vision, photophobia, and night-blindness. Many theories have been brought forward to account for ...