In this video, learn about different parts of the human eye and how our sight works. Follow me please class. We’re here at the optician’s to get a good look at a human eye and find out how it ...

If evolution occurs through gradations, the critics say, how could it have created the separate parts of the eye -- the lens, the retina, the pupil, and so forth -- since none of these structures ...

The word "uveitis" is used because the swelling most often affects the part of your eye called the uvea. Red eyes can be a symptom of uveitis, but it's also possible to have uveitis with no ...