Glaucoma Glaucoma is the second greatest factor leading to permanent blindness in the United States. The aqueous humor is a water-like fluid that occupies the anterior chamber of the eye where the pupil, lens, iris, and cornea are located. The fluid provides the eye with nutrients and the necessary pressure to help maintain the shape of the eye, known as intraocular pressure (IOP). Glaucoma is generally caused by an increase in IOP, which subsequently damages the nerve fibers of the…
Visual field assessment in low vision
What is visual field testing? As you focus on the words in this article, how much can you see out of the corners of your eyes? Can you tell what's happening in your surroundings? (more…)