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nounthe transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the scleratype of:
Definition that contains cornea
- contact a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication
- lens biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focus light on the retina
- nebula (pathology) a faint cloudy spot on the cornea
- sclera the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball
- corneal of or related to the cornea
- lasik a refractive surgery procedure that reshapes the cornea
- astigmatism (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
- trachoma a chronic contagious disease caused by a bacterium and marked by inflammation of the conjunctiva and cornea of the eye and the formation of scar tissue
- keratoconus abnormal cone-shaped protrusion of the cornea of the eye; can be treated by epikeratophakia
- xeroma abnormal dryness of the conjunctiva and cornea of the eyes; may be due to a systemic deficiency of vitamin A