Uveitis

This week’s blog on Uveitis has been contributed by Dr Avinash Gurbaxani, Consultant Ophthalmic Surgeon in Uveitis and Medical Retinal Diseases and Cataract Surgery.

Uveitis is not a single disease but a clinical spectrum of symptoms and signs caused by a variety of medical conditions. Although it accounts for about 1% of all eye diseases, Uveitis is the cause of 10-15% of blindness, thus, it must be managed very carefully. Prompt and appropriate treatment is needed to ensure good visual recovery, which is very often achievable.  In most cases, a Uveitis specialist – an eye doctor with specialist training in diagnosing and managing these diseases – should manage Uveitis.

Uveitis can affect children, especially those with childhood arthritis or infections. Uveitis affects young adults of a working age and more often women are affected. Symptoms include red eye (although in children the eyes do not become red, so if diagnosed with arthritis, they must have regular screening with the Uveitis specialist), pain, light sensitivity, and blurred vision. It may be associated with skin rashes, joint pains, and stomach symptoms.

Causes:

The cause of Uveitis can be infection (like TB, Toxoplasmosis or viruses like herpes and CMV) or autoimmune conditions (sarcoidosis, arthritis, inflammatory bowel disease). In about half of the cases, we may never find a specific cause but prompt treatment is always needed.

Initially, patients will often need to have a variety of blood tests to look for infection or auto immune conditions, chest x-rays and other imaging. In the eye clinic patients may need an OCT scan of the retina and a flurosein angiogram to look for leakage from the blood vessels in the retina. Patients may also be referred to othzer specialists like rheumatologists, gastroenterologists or neurologist to help diagnose a systemic cause of the Uveitis.

Types and treatment:

Uveitis can be in the anterior segment (front part of the eye), which usually can be treated with drops and sometimes injections to get a quick response. When Uveitis affects the back of the eye, more aggressive treatment may be needed. This usually consists of a high dose of oral steroid medications for several weeks. Antibiotics are given in case of infection. Long-term treatment or more serious cases may need steroid sparing immune suppressant medication. This scan be in the form of tablets like mycophenolate or methotrexate or newer biologic medications, which are given in the form of injections. Steroid injections into the eye may be needed as well. Although protracted, early, aggressive and appropriate treatment can achieve good control of this condition and patients can maintain good vision.

Complications:

Complications of Uveitis include cataract, high pressure in the eye and macular oedema. These may need additional treatment including surgery.

If you have been diagnosed with Uveitis or suspect that you may have Uveitis, it is essential to see a Uveitis specialist.

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