According to the American Academy of Ophthalmology, cataracts is the leading cause of reduced vision in people 55 years and older. Surgery to remove cataracts is extremely common, with millions performed each year, states the All About Vision...
The intraocular cancer retinoblastoma accounts for about 4 percent of all pediatric cancers, according to Drs. Carol L. Shields and Jerry A. Shields in a 2004 article in the journal Cancer Control. One treatment for retinoblastoma is plaque...
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...
When blood cells collect in anterior chamber of the eye between the iris and the cornea, the condition is known as a hyphema. The bleeding is caused by damage to blood vessels in the eye. Some patients may have problems with recurring bleeding...
More than 2.3 million Americans over 40 have been diagnosed with glaucoma, and an estimated 2 million more are unaware that they are affected, according to information compiled by the American Academy of Ophthalmology. While only a doctor can make...
According to Pediatric Ophthalmology, most people blink between 12 and 20 times per minute. Some children, however, blink excessively, either due to a health or vision problem or a childhood tic. If you notice your child blinking more often than...
A white film made up of proteins sometimes develops over the retina of your eyes as you get older. The American Optometric Association notes that this condition is the top cause of visual problems in aging populations. Genetics plays a role in...
The optic nerve carries electrical impulses from your eye to your brain. Damage to the optic nerve can affect your ability to sight. Several types of calcium deposits can develop in the optic nerve. Calcium deposits may develop within protein...
Dextrose is a combination of water and sugar, often glucose. In the medical setting, dextrose is often used to supply fluid to patients suffering from dehydration and hypoglycemia, or low blood sugar levels. However, dextrose solution is also used...
Regular eye tests in children are important in preventing long-term vision damage. As the American Academy of Ophthalmology explains, children's brains require clear images from both eyes in order for vision to develop normally. If these images...
As of 2010, the long-term effects (10 to 20 years) of LASIK surgery are largely unknown because of the relative newness of the procedure. In the United States, the first LASIK device received Food and Drug Administration approval in 1998. LASIK,...
Age related macular degeneration is the primary cause of blindness in older people, Science Daily states, resulting from oxidation damage to the eye. Age, tobacco use, stress and physical activity are involved in AMD risk and progression of the...
Baseball, basketball and sports that use a racquet, such as racquetball or tennis, have the highest risk of eye injuries, according to the American Academy of Ophthalmology, but other sports -- and even activities like fishing -- can be hazardous...
When images fall on an area of the retina without light receptors, they become invisible in a phenomenon referred to as the blind spot. Blind spots are perfectly normal and everyone has them. Blind spots change over time as part of the normal...
Periorbital cellulitis--also called preseptal cellulitis--is an infection involving the eyelid and surrounding tissues and is more common in children, according to eMedTV.com. Symptoms of this condition include redness, swelling and pain but no...
Glaucoma is a condition that causes damage to the optic nerve. This damage leads to vision loss and blindness. According to The Foundation of the American Academy of Ophthalmology, the damage is caused by a buildup in pressure inside the eye to...
Eye problems are common especially among the aging population. Many sites suggest that vitamin supplementation may help with certain diseases related to an aging eye, although there's no cure to most of the eye problems among the aged. Assessing...
Many people use eye drops such as over-the-counter artificial tears and allergy drops. Some conditions require a short round of medicated drops, while others, such as glaucoma, often require the daily use of one or more prescription eye drops....
Regular eye exams help maintain good vision and keep eyes healthy. Most eye care providers perform vision screenings and general eye care. However, if a person has a medical eye condition or a family history of eye disease, it is important to...
When causes of vision loss are looked at from a global perspective, diabetic retinopathy--that is, damage to the retina due to diabetes--is one of the most significant causes. Cornell Medical College physicians Claire Fraser and Donald D'Amico,...
Macular degeneration is an age-related eye disease and is the major cause of blindness in the elderly. While there is no cure for this disease, research shows that certain nutrients found in foods can play important role in prevention of macular...
The herpes simplex virus can infect the eye, resulting in a condition called ocular herpes or herpes keratitis. The herpes virus has two types. One infects the area of the mouth--causing a cold sore---and the other infecting the genital area. Both...
During an eye exam, the doctor may use a drop that numbs the surface of the eye. These drops may help the doctor check the eye pressure, or the numbing drops may ease pain and discomfort from foreign bodies, allowing the doctor to carefully...
Eating a well-balanced diet and taking vitamin supplements are essential for the maintenance of eye health. According to Lighthouse International, you can help prevent eye diseases such as cataracts, dry eye syndrome, macular degeneration and...
The scientific evidence for omega-3 fatty acids having the beneficial properties necessary to prevent blindness is promising. High concentrations of omega-3s have been found in the eye's retina, contributing to mounting evidence that the nutrient...
Exercise and sport can be hazardous for the eye if proper precautions are not taken. Sports cause about 40,000 eye injuries annually in the U.S., according to the American Academy of Ophthalmology. About 90 percent of these injuries are...
Dry eyes are caused by a lack of tear formation. The American Optometric Association states that tears must be produced to provide clear vision and support overall health of your eye. If you have dry eyes, you are one of 12 million American dry...
There are a number of factors that increase your risk of getting floaters in your eyes, but diet is not one of them. Floaters are primarily caused by the aging process. Some vitamin-rich foods may help the overall health of your eyes, but foods...
Blood vessels in the eye supply the tissue with needed oxygen and nutrients. Eye blood vessels occasionally break, causing bleeding. The appearance of a broken eye blood vessel often causes alarm. Bleeding in the white area of the eye, or a...
