Antimetabolite

The term given to a drug which retards cell division and slows down healing. In glaucoma surgery, antimetabolites are often used to prevent the drainage site from failing because of scarring.

Antioxidants

Micronutrients that destroy or neutralize free radicals, molecules that have been implicated as one causative factor in the stimulation of abnormal cellular reproduction (cancer) and cellular destruction (aging).

Antireflective coating

Coating on the front or back of glasses lenses, which minimizes the glare for patients who are extremely bothered by glare.