Double vision may occur suddenly then disappear, but other people may experience double vision continuously. In either case, a person with changes in vision should contact an eye doctor immediately. The doctor may need to place a prism in an...
According to the Cleveland Clinic, about 2 million cataract surgeries are performed annually in the United States, and in nearly all of cases, the patients receive intraocular lenses after the surgeries. Before the development of intraocular...
The lens of the eye plays an important role in vision by focusing incoming light on the retina, the part of the eye responsible for processing images into nerve signals and sending them to the brain through the optic nerve. While the lens is clear...
Getting older sometimes means getting cataracts, but getting cataracts doesn't always mean immediate surgery, according to Diet Health Club and the American Vision Institute. Eye cataract exercises often stop early-stage cataracts from getting...
Vitamin B-12 -- also known as cobalamin -- is a member of the B vitamin family; this nutrient helps in the formation of red blood cells and is important in nervous system function. You can get B-12 in animal-based products like meats, fish and...
Cataracts occur in the natural lens of your eye, a clear disk that sits behind your iris and properly directs the light entering your eye. As a result of age, eye disease or injury, the lens may turn opaque, clouding your vision and resulting in...
The natural lens of the eye turns yellow and hard with age, and doctors refer to this as a cataract. Cataract surgery allows doctors to remove the natural lens and insert an implant. The procedure is one of the most commonly performed surgeries in...
According to AllAboutVision.com, cataract surgery is the most common surgical procedure in the United States. However, there is not just one type of cataract surgery to fit all possible patients. Instead, there are many different cataract surgery...
Older people commonly experience cataracts, which are a clouding of the eye's lens. According to Mitchell Scheiman, Maxine Scheiman and Stephen G. Whittaker, authors of "Low Vision Rehabilitation", age-related cataracts are caused by clumps of...
A cataract describes a clouding of the eye lens, which focuses images on the nerve tissue at the back of the eye. A significant cataract causes loss of visual clarity and dimmed vision. The definitive treatment for a cataract is the removal of the...
Healthy eyes provide good, clear vision. Some people with good vision, however, assume they do not need regular eye exams until their vision blurs. Some common conditions of the eye do not have significant warning signs and these ailments often...
An old cliche says that the eyes are "windows to the soul," but sometimes those windows can become problematic. Bacterial or viral infections can seep into the mucus membranes of the eyes. Sometimes the lenses in the eyes become cloudy, which...
A cataract is a clouding of the lens of the eye, caused by proteins on the surface. Under normal circumstances, the proteins in the lens allow light to pass through. As we age, the proteins clump together and cloud an area of the lens. Damage and...
Cortical cataracts are one type of age-related cataract that is also common in patients with diabetes. A cortical cataract forms in the cortex, which is one layer of the eye's natural lens; these cataracts tend to look like spokes and can cause...
Cataracts are a common eye problem that occurs most often in older adults. Left untreated, they can result in blindness. Cataracts are caused when the lens in the eye becomes thicker and begins to cloud over, distorting the light that enters the...
You have a lens inside your eye that refracts the light that enters your eye, directing the light to an area of your retina. The lens consists of protein and water arranged in such a way as to provide a clear visual pathway. As you age, the...
A clouding of the natural lens of the eye is called a cataract. There are three types of age-related cataracts---nuclear, cortical and posterior subcapsular---that can develop as people get older, according to The Eye Digest. Each type of cataract...
There are several different eye defects. Some are present at birth while others develop over time due to aging or disease. In some cases, these problems can be easily corrected. If left untreated, however, some eye defects might lead to loss of...
A cataract is a clouding of the lens in the eye. The lens, found behind the iris and the pupil, focuses light on the back of the retina. Cataracts differ by type and cause. More than 50 percent of people over age 80 either have a cataract or have...
Cataracts affect the lens of the eye. When a person has a cataract, the lens is obstructed by a cloudy mass that prevents him from seeing clearly, with her field of vision resembling a fogged window.
By age 80, more than half of all Americans will develop a cataract, a clouding of the lens in the eye that diminishes vision. But while cataracts usually develop slowly as people age, younger people can also suffer from them. Luckily, cataracts...
When you have a cataract, the natural lens of the eye becomes cloudy, impairing your vision. In cataract surgery, the natural lens is removed and replaced with an intraocular lens implant. The natural lens of your eye is able to focus at varying...
The natural lens in your eye will slowly harden as you age, resulting in blurry vision. This condition, called cataracts, typically occurs in most older adults, but it may take many years before they notice a change in vision. Even though...
People with diabetes are at high risk of eye complications, from minor to severe, reports the Diabetes Teaching Center at the University of California, San Francisco. A severe complication of diabetes is blindness; however, most eye disorders are...
Senile cataracts are a clouding of the lens in the eye that develops with aging. More than 70 percent of people over age 75 have some degree of lens clouding, according to Richard Lindstrom, M.D., of ImproveYourVision.com. Senile cataracts can...
Cataracts, clouding of the lens that adjusts to help people see objects close up and far away, develop with age. Over half of all people 80 and older have cataracts or have had cataract surgery, according to 2009 data from the National Eye...
Cataracts are a slow-progressing disease. Cataracts mainly affect people above 65, but a few cases have also been found in children. Cataracts make it difficult for the person to see well, and this usually worsens as long as the cataract remains...
A cataract is an eye condition that causes progressive vision changes. This typically occurs over a period of many years, and people with cataracts often do not notice that cataracts have affected their vision until they have a difficult time...
Cataracts involve the lens of the eye becoming cloudy. The healthy lens of the eye is clear to allow the maximum amount of light into the eye, enabling a person to see clearly. When a cataract blocks the entry of light, the result is blurred...
Cataracts are usually age related opacities that form in the crystalline lens of the eye. Get professional tips and advice on cataracts in this video.
