wall-eyes. See exotropia.

(kahn-junk-TI-vuh). Transparent muccous membrane covering the outer surface of the eyeball except the cornea, and lining the inner surfaces of the eyelids.

(di-AHP-tur). Unit to designate the refractive power of a lens.

Common terms -- symptoms, tests, treatments, surgery, diseases & conditions, anatomy -- eye doctors use. These definitions may help you understand them better.

accommodation (uh-kah-muh-DAY-shun). Increase in optical power by the eye in order to maintain a clear image (focus) as objects are moved closer. Occurs through a process of ciliary muscle contraction [..]

Remnants of an opaque lens remaining in the eye, or opacities forming, after extracapsular cataract removal.

(MAK-yu-lur). Group of conditions that include deterioration of the macula, resulting in loss of sharp central vision. Two general types: "dry," which is more common, and "w [..]

See automated lamellar keratoplasty.

(am-blee-OH-pee-uh), "lazy eye." Decreased vision in one or both eyes without detectable anatomic damage in the eye or visual pathways. Usually uncorrectable by eyeglasses or contact [..]

(AM-slur). Test card; grid (black lines on white background or white lines on black background) used for detecting central visual field distortions or defects, such as in macular degeneration. x