Ophthalmologic study is a medical specialty that focuses on the diagnosis and treatment of diseases of the eye. Uvea, which is a four letter word, is an important part of this field of study. It refers to the middle layer of the eye, which includes the iris, ciliary body, and choroid. This layer is responsible for controlling the amount of light entering the eye and providing nourishment to the retina. Ophthalmologic study of the uvea is essential for diagnosing and treating various eye conditions.