amaurosis

n. partial or complete loss of sight without evidence of organic abnormality of the affected eye or eyes. The cause is often damage to the optic nerve or the brain. The condition may be hereditary, as in Leber’s disease; transient (see amaurosis fugax); part of a syndrome, such as Tay–Sachs disease; or the result of complete destruction of the striate cortex (cortical amaurosis). See also functional blindness.

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Psychology term of the day

November 22nd 2024

cachexia

n. an extreme state of poor health, physical wasting, and malnutrition, usually associated with chronic illnesses, such as cancer and pulmonary tuberculosis.