In a normal eye, light passes through a clear lens to the retina, where it is changed into nerve signals that are sent to the brain. The eye’s lens is made mostly of water and protein. Some of that protein may clump together and form what’s called a cataract, which
Tag: contact lenses
Can what you eat affect your eyesight? And which foods protect your eyes? Research shows that three particular carotenoids, each of them antioxidant and anti-inflammatory compounds, play a role in good vision: lutein, zeaxanthin, and astaxanthin.
Studies verify that astaxanthin protects the eyes against damage and daily wear-and-tear, decreases eye fatigue,
If you’re blessed with the gift of perfect or near-perfect eyesight, it can be quite jarring when you first experience a significant period of blurred vision. You’re not sure whether it’s a temporary occurrence or a sign that you might be losing your eyesight.
Blurred vision refers to a lack of
Chronic diseases such as heart disease, high blood pressure, stroke, and diabetes represent a major health problem in the United States. They account for approximately 86 percent of all healthcare costs and are frequently associated with a significant reduc-tion in quality of life. The CDC reports that roughly half of
Oh pinkeye, you always choose the best times to visit. Your attractive symptoms (crusty, pink, itchy, and watery eyes) are so easy to disguise—if eye patches were in fashion, that is! Since they’re not, it’s time to learn what pinkeye is, what causes it and how to treat it, or—better
Light sensitivity or photophobia is eye discomfort in bright light. Bothersome light sources may include sunlight and harsh indoor lighting such as fluorescent or incandescent light from old-fashioned bulbs.
Light sensitivity is a common symptom that may be accompanied by headache. In most cases, it’s not due to disease. However,
If you sometimes have trouble recognizing faces, or you notice that pieces of letters are missing when you read even when you’re wearing glasses, you may have a condition called low vision.
The term “low vision” is defined as a visual impairment that cannot be restored with corrective devices, medical therapy,
For various reasons, your eyes may not provide clear, sharp vision—either near or far. The typical fixes are contact lenses or a pair of glasses (or two) to provide sharp vision at different distances. Most of us do just fine with these conventional corrections for blurry vision. But if you’re
You walk through the airport, luggage in each hand, as you head toward the gate where your flight awaits. You have no problem seeing the arrival times on the digital boards above you, the signs bearing gate numbers, or the person walking 20 feet in front of you. And then
A seminal study of 74,044 women with cataracts, of whom 41,735 had cataract surgery, found that the surgery was associated with a 60 percent reduced risk of death from all causes, and a 37 to 69 percent reduced risk of death due to pulmonary, infectious, neurologic and vascular diseases, cancer,