Typically affects children up to age 10
Coats' disease is a chronic, progressive disorder that affects central vision, typically only in one eye. Coats' disease is an abnormal growth spurt of the blood vessels that nourish the retina. The vessels break and leak the clear serum part of the blood into the retina, causing retinal swelling.
No cause has yet been identified for Coats' disease.
Typically affects children (especially boys) up to age 10. It can also affect young adults.
Severity can range from slight vision loss to total retinal detachment and blindness.
The leaking blood vessels can be treated with laser surgery or cryotherapy. If the retina is detached, a vitrectomy to replace the vitreous (the clear gel-like substance inside the eye) with a gas bubble may be recommended to restore vision.