The retina contains three cone types--green, red and blue--that enable the brain to calculate the wavelength of the light passing through the eye's lens. However, the wavelength of the incoming light does not reflect the colors of the objects in...
Vitamin A aids many body functions, including the development of cells and bones, and this nutrient also helps maintain a healthy immune system. Your eyes need vitamin A for development and eye health, but if you have a high intake of vitamin A,...
The optic nerve, which some may call the optical cord, sits at the back of the eye and consists of more than a million nerve fibers that transmit visual information to the brain. Damage to the optic nerve may result in changes in vision. Knowing...
You need vitamin D through dietary or other sources so your body can absorb calcium to keep your bones healthy and strong. This nutrient also helps reduce inflammation and regulates your immune system and other body processes. If you do not have...
Vitamins play an role in the health of many tissues and functions in your body, including vision. If you do not get enough of vitamin A, you may develop vision problems that can ultimately lead to blindness. Vitamin A blindness is uncommon in...
High-protein diets, such as the Atkins Diet, work by decreasing the amount of carbohydrates and natural sugars a person consumes so she can lose weight quickly. Unfortunately, the American Heart Association points out that dieters lose out on...
Alzheimer's disease is closely related to vision difficulties. According to The Alzheimer's Society, nearly 60 percent of people diagnosed with the condition experience loss of visual capacities in one or more areas. The condition is not caused by...
Your brain controls and organizes the sensory-motor functions that give your eyes the ability to see, according to the American Association of Physicists in Medicine. Having a stroke can cause vision problems such as blind spots. A series of...
Vitamin C helps to treat much more than the common cold. Vitamin C is an antioxidant that reduces the effects of free radicals on the body. In addition, vitamin C supports the healthy synthesizing of cells and helps to boost the immune system. A...
Some symptoms, such as blurred vision, can indicate a constellation of potential eye disorders. For instance, blurry vision might indicate astigmatism, farsightedness, nearsightedness, cataracts or other less common and potentially more dangerous...
When a baby is born, she is such a small, new and, seemingly, perfect little bundle. As she grows and develops, she becomes accustomed to using her eyes and ears and begins to make a connection with you. To develop the ability to speak, she has to...
Many patients undergo laser vision correction procedures, like LASIK surgery, to eliminate their need for eye glasses or contact lenses. Laser vision correction is a highly successful surgical procedure that boasts a low complication rate,...
Although not as common as in adults, vision impairment affects many children in some form. Vision problems have lasting affects on kids, particularly as they enter school. One of 20 preschoolers in the United States has some type of vision problem...
It is not always easy to recognize that a child might be visually impaired. Although even very young children can show some physical signs of having trouble with vision, many times problems with a child's eyesight are not detected until after he...
Like many individuals, you may take your eyes for granted until you experience vision problems or eye discomfort. Eye exercise may help treat some types of eye problems. Certain medical conditions, such as lazy eyes and strabismus, also known as...
Loss of vision can be devastating and scary, and significantly impacts an individual's life. Depending on the underlying cause of impaired vision, vitamins might be able to reduce your risk of vision loss or prevent further damage. Vitamins A and...
Although a newborn can see, she isn't born knowing how to use her eyes or how to interpret images. It's normal for a child not to see at a distance or to have crossed eyes up until 3 months of age. However, signs of a visually impaired infant may...
Vitamin deficiencies can result in a variety of symptoms, including vision problems. A vitamin B-12 deficiency can cause some vision problems. Although double vision is not a common symptoms for a vitamin B-12 deficiency, the neurological problems...
Normal vision enables a person to see objects without distortion and without unexplained symptoms that deviate from the norm. To make certain the person still has normal vision, a doctor will recommend tests. These tests can lead to prescribed...
If you're one of the millions of people who have noticed that the stars in the sky seem dim, you might be a victim of night blindness. Night blindness takes a lot of the enjoyment from looking at moonlit skies and can be downright scary when...
Any time you have problems with your vision, get it checked out by an optometrist to diagnose the condition and prevent further damage. Spots on the back of the eye can be the result of an injury or disease and should be evaluated to prevent...
When astigmatic patients visit their ophthalmologists for treatment, they're often prescribed corrective lenses to manage their vision problems. Contact lenses have flourished over the past 25 years. While most contacts are safe to wear,...
If your toddler squints, tilts her head or rubs her eyes it’s time to schedule an eye examination. Kids don't know when they have vision problems, so they will make adjustments rather than complain. Knowing what to expect will make it easier...
Contact lenses are designed to correct vision problems. There are four basic types of vision problems, and contact lenses work in different ways to correct them. The four basic vision problem types are myopia, astigmatism, hyperopia and...
Your child's eyes work with light and his brain to provide him with vision. Although his vision starts out fuzzy at birth, it becomes clearer as he grows older. If you notice your child squinting, it can be an indication of several problems that...
Puffy eyes give you the appearance of having a rough night, even if you had plenty of sleep. If you suffer from swollen, drooping bags under your eyes, it is probably no cause for concern and does not require treatment from a doctor, states the...
When a child does poorly in school, teachers, principals and even parents are quick to assume the child is lazy. However, sometimes the problem for performing inadequately has nothing to do with using their mind properly and has everything to do...
Poor vision is a common health problem in the U.S. Common symptoms of vision problems include blurred vision, blind spots and floaters. Cataracts, glaucoma and macular degeneration are conditions that might cause such symptoms. Certain dietary...
Your child's eyes are her windows to the world and tools that will aid in her rapid development. Help keep your child as healthy as possible by looking for signs of common eye problems. Regular vision screening and early detection and treatment of...
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