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General term for a number of inherited defects of amino acid metabolism in which there is a deficiency or absence of pigment in the eyes, skin, or ha…

Albinism affecting the eye in which pigment of the hair and skin is normal or only slightly diluted. The classic type is X-linked (Nettleship-Falls),…

Heterogeneous group of autosomal recessive disorders comprising at least four recognized types, all having in common varying degrees of hypopigmentat…

Small breaks in the elastin-filled tissue of the retina.

A congenital abnormality in which there is only a rudimentary iris. This is due to the failure of the optic cup to grow. Aniridia also occurs in a he…

A condition in which the ocular image of an object as seen by one eye differs in size and shape from that seen by the other.

A condition of an inequality of refractive power of the two eyes.

Congenital absence of the eye or eyes.

A breach in the continuity of the ANTERIOR CHAMBER of the eyeball.

Absence of crystalline lens totally or partially from field of vision, from any cause except after cataract extraction. Aphakia is mainly congenital …

Absence of the crystalline lens resulting from cataract extraction.

A corneal disease in which there is a deposition of phospholipid and cholesterol in the corneal stroma and anterior sclera.

The shifting and or tilting of implanted artificial lens resulting in impaired vision.

Term generally used to describe complaints related to refractive error, ocular muscle imbalance, including pain or aching around the eyes, burning an…

Unequal or irregular curvature of the CORNEA (Corneal astigmatism) and/or the EYE LENS (Lenticular astigmatism) resulting in REFRACTIVE ERROR.

A form of chorioretinitis characterized by multiple small, cream-colored LESIONS, symmetrically scattered mainly around the OPTIC DISK. These lesions…

Inflammation of the eyelids.

The abnormal narrowness of the palpebral fissure in the horizontal direction caused by the lateral displacement of the medial canthi of the eyelids. …

Drooping of the upper lid due to deficient development or paralysis of the levator palpebrae muscle.

Excessive winking; tonic or clonic spasm of the orbicularis oculi muscle.

Inflammation and infection of the lacrimal canaliculus area in the LACRIMAL APPARATUS.

Clouding or loss of transparency of the posterior lens capsule, usually following CATARACT extraction.

Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are c…

A visual impairment characterized by the accumulation of fluid under the retina through a defect in the retinal pigment epithelium.

A form of phagocyte bactericidal dysfunction characterized by unusual oculocutaneous albinism, high incidence of lymphoreticular neoplasms, and recur…

Inflammation of the choroid in which the sensory retina becomes edematous and opaque. The inflammatory cells and exudate may burst through the sensor…

Disorders of the choroid including hereditary choroidal diseases, neoplasms, and other abnormalities of the vascular layer of the uvea.

Hemorrhage from the vessels of the choroid.

Finding of fluid accumulation between the CHOROID and the SCLERA.

A pathological process consisting of the formation of new blood vessels in the CHOROID.