Many body parts begin to change as you age, and your eyes are no exception. One of the most common age-related eye changes is the development of cataracts. Although cataracts do not occur exclusively in older adults, they affect approximately half of all Americans by age 80. What Are Cataracts? Cataracts

Uveitis refers to the inflammation of the eye's middle layer, which consists of the iris, ciliary body, and choroid. Several fungal, viral, or bacterial infections lead to uveitis, as do certain autoimmune (systemic) and inflammatory conditions. In most cases of uveitis, however, the exact cause is unknown. Types