A visual field test measures how much you can see around you. Ophthalmologists often use this test to diagnose and monitor eye problems. To take the test, you sit at a device called a perimeter with one eye covered. When you see a light appear on a screen, you simply press a button. The test is repeated

People get vitamin A deficiency when they do not eat a balanced diet with enough vitamin A. If you have vitamin A deficiency, you may have trouble seeing at night (night blindness). If untreated, it can lead to corneal ulcers and permanent blindness. Vitamin A deficiency is treated with vitamin A supplements. If

Vitrectomy is a type of eye surgery to treat certain problems of the retina and vitreous. Some of these problems include diabetic retinopathy, detached retina, macula problems and more. Usually an ophthalmologist does this surgery to remove blood in the vitreous that keeps light from focusing properly

Vitreomacular traction (VMT) is when vitreous— which fills the middle of our eyes—doesn’t detach completely from the back of the eye as it should with age. The vitreous then pulls on the macula, which can damage the macula and threaten vision. Symptoms of VMT include distorted/blurry vision, seeing

Wavefront-guided LASIK (or custom LASIK) is a type of refractive surgery. With this outpatient procedure, a laser is used to reshape your cornea, improving how light rays are focused in the eye. A device called a wavefront scanner creates a very detailed map of the cornea. This map is programmed into

An ophthalmologist is the only medical doctor who can take complete care of your eyes. They are trained and licensed to diagnose and treat all eye diseases and conditions. From basic eye exams to complex surgery, ophthalmologists provide everything you need for healthy vision How are ophthalmologists