eye terms

Lexicon

Brings you the knowledge
Aberration

Distortions, related to astigmatism , that cause the inability of light rays entering the eye to converge (come together) to a single focus point on the retina . Aberration are divided into two main categories: higher-order and lower-order.

Ablation

Surgical removal of tissue, typically using a cool beam laser

Accommodation

Ability of the eye to change its focus between distant objects and near objects.