Definition

Adie's pupil is a neurological condition of unknown origin with an unusual, asymmetric presentation known as anisocoria, an inequality in the size of the pupils of the eyes. It is believed to be a result of damage to the nerve innervating a muscle of the eye known as the ciliary body. Alternately, the problem may be located at the ciliary ganglion, a kind of nerve junction structure from which the nerve to the ciliary body runs. Accommodation, or the adjustment of the eye for distance, is affected, as well as pupillary dilation and contraction, the ability of the eye's iris to open or close in response to ambient light. Adie's pupil primarily affects women from 20 to 40 years of age. It is considered to be a benign condition with no known cure. When Deep Tendon Reflexes (DTRs) of the legs—knee and ankle jerks—are also affected, accompanied by symptoms including localized, discreet areas of the skin that do not...