Uveitis is an inflammation of the uvea, the middle layer of eye. The uvea consists of the iris, choroid and ciliary body. The choroid is a layer of tissue between light-sensitive tissue at the back of the eye (retina) and the white of the eye (sclera), it provides blood flow to the deep layers of the retina. The most common type of uveitis is an inflammation of the iris, called iritis.
Symptoms of uveitis can involve a combination of any of the following:
- Blurred vision
- Light sensitivity
- Irregular pupil
- Eye pain
- Floaters, which are dark spots floating in your field of vision
- Eye redness
- Alteration of the colour of the iris
In most cases, the precise cause of uveitis may be unclear. The contributing factors could be infections, eye injury and autoimmune disorders. Treatment is normally given in the form of eye drops, and occasionally injectable or oral treatment is needed. If received promptly, there is normally no permanent vision loss and no complications. If complications do occur, they can result in glaucoma, cataracts, macular edema, scar tissue, retinal detachment and vision loss.