Amblyopia commonly starts when one eye has much better focus than the other. Sometimes, one is more farsighted or has lots of astigmatism, but the other doesn’t. When your child's brain gets both a blurry image and a clear one, it starts to ignore the blurry one.
An autoimmune disorder called Graves’ disease is the most common cause of hyperthyroidism and bulging eyes. In this condition, tissues around your eye become inflamed. This creates the bulging effect. Anyone can develop Graves’ disease. Women in their 20s and 30s are at highest risk of the condition, reports the Office on Women’s Health.
See a simulation of what vision with cataract looks like. What Causes Cataracts? Aging is the most common cause. This is due to normal eye changes that happen after around age 40. That is when normal proteins in the lens start to break down. This is what causes the lens to get cloudy.
Inside our eyes, we have a natural lens. The lens bends (refracts) light rays that come into the eye to help us see. The lens should be clear, like the top lens in the illustration. Vision Problems with Cataracts. If you have a cataract, your lens has become cloudy, like the bottom lens in the illustration.
Cytomegalovirus retinitis (CMV retinitis), caused by the cytomegalovirus, is a serious viral eye infection of the retina. It is most often found in people with Cytomegalovirus retinitis (CMV retinitis), caused by the cytomegalovirus, is a serious viral eye infection of the retina.
Mild color blindness happens when all three cone cells are present but one cone cell does not work right. It detects a different color than normal. There are different degrees of color blindness. Some people with mild color deficiencies can see colors normally in good light but have difficulty in dim light. Others cannot distinguish certain colors in any light. The most severe form of color blindness, in which everything is seen in shades of gray, is uncommon.
Types of glaucoma. There are two major types of glaucoma. Primary open-angle glaucoma. This is the most common type of glaucoma. It happens gradually, where the eye does not drain fluid as well as it should (like a clogged drain). As a result, eye pressure builds and starts to damage the optic nerve.
Macular Degeneration is the leading cause of vision loss, more than cataracts and glaucoma combined. It is considered an incurable eye disease, but it is treatable. Macular Degeneration is the leading cause of vision loss, more than cataracts and glaucoma combined.
Retinal tear and retinal detachment. Usually, the vitreous moves away from the retina without causing problems. But sometimes the vitreous pulls hard enough to tear the retina in one or more places. Fluid may pass through a retinal tear, lifting the retina off the back of the eye — much as wallpaper can peel off a wall.