eye disorders
Cogan Syndrome
Introduction
Cogan syndrome is a rare autoimmune disease that can affect the cornea. Eye pain, decreased vision, increased sensitivity to bright light, and redness of the eye are common symptoms. Diagnosis is by a doctor's evaluation and blood tests to rule out other diseases. Treatment is with corticosteroid eye drops and corticosteroid pills. Cogan syndrome is an Autoimmune Disorders that causes inflammation of the eyes, the ears, and sometimes the blood vessels ( Cogan syndrome can affect different parts of the eye, including the cornea. The cornea is the clear layer in front of the iris and pupil. It protects the iris and lens and helps focus light on the retina. It is composed of cells, protein, and fluid. The cornea looks fragile but is almost as stiff as a fingernail. However, it is very sensitive to touch. 