The shape of the eye determines how well the eye sees. Light shines through the cornea, the front part of the eye and, ideally, should land on the retina. This gives perfect vision without the need for an eye glass prescription. If the eye or...
Vitamins have many health benefits for the eyes, but the effects of the nutrients depend heavily on the cause for the eye condition, such as nearsightedness. This condition, also known as myopia, causes good near vision, but poor distance vision....
The sensitive inner lining of the back of the eye is called the retina. The retina has the responsibility of relaying visual information to the optic nerve, which then interprets and transmits visual images to the brain. A retinal detachment...
Contacts are dome-shaped pieces of plastic used to correct vision by reshaping the eye. Eyes mold to fit the shape of the contact, thereby correcting the way light rays converge on the retina. To know how a contact works one must first understand...
Even though you may think your eye is perfectly round, your eye has a distinctive shape. Some people have a slightly longer or wider eyeball, and this shape helps determine your visual acuity. People who have myopia have a longer eye shape, and...
Certain eye issues, such as those that include the degeneration of the eye or an abnormal eye shape are conditions that require corrective lenses or surgery to correct. No amount of eye exercises can improve astigmatism or near and...
Astigmatism is a condition of the eye where the eye curvature is imperfect. This causes blurred vision. Astigmatism is not near or far sightedness, although many people have astigmatism along with other vision issues. In the past, people with...
Myopia, also known as nearsightedness, describes the ability to see objects close up, while objects in the distance appear blurry. In most cases, myopia occurs naturally, relative to a long eye shape that prevents light from hitting perfectly at...
The inside, back section of your eye has a lining called the retina. The cells that make up the tissue receive visual information that the brain converts into images. A retinal detachment occurs when the retina pulls away from the back of the eye....
When the eye observes something new, the lens of the eye curves to create a new refraction of the light to focus on the back of the eyeball. With time and illness, or because of genetics, this lens can become stiff and lacks the ability to...
Swollen eyelids may indicate a number of conditions. Some conditions do not cause serious problems or complications, but some lid swelling could indicate a serious medical problem. Cool or warm compresses often help reduce swelling in a short...
Floaters, or black spots, usually move in and out of vision, changing position with eye movement. Many people experience this eye condition, and, in fact, the number of floaters tends to increase with age, according to the University of Illinois...
For most steak lovers, the rib eye is the ultimate experience. Though it is not as tender or succulent as the filet mignon, it is far more flavorful. What makes it so much more flavorful is its superior marbling. When breaking down the rib primal,...
As people age, the lenses of their eyes lose flexibility. This condition is called presbyopia, and it makes close-up objects appear blurry. While some books, DVDs and websites may promise to teach you eye exercises that will reverse or reduce the...
The retina lines the back inside section of the eye. A retinal detachment occurs when this lining pulls away from the eye. Symptoms include black spots in vision, flashes of light and a dark "veil" that covers a section of the side vision. These...
The eye is a delicate and complex organ that allows us to visualize our world. The eye is constantly sending images and information to the brain for interpretation and appropriate action. If this flow of information is blocked or inhibited in any...
Herpes zoster, or shingles, can occur in any person who ever had chicken pox. Shingles is the reactivation of the same herpes virus at a later date; it presents as a skin rash consisting of blisters. This rash can occur on any part of the body,...
When small details and fine print become difficult to read or when a person has to hold printing at arm's length to read, he probably needs bifocals. Presbyopia is a condition that affects people beginning around the age of 40 and is corrected by...
Squinting occurs when a person wrinkles her brow and brings the upper and lower eyelids closer together. The wrinkled brow often distinguishes squinting from a person who has a naturally narrow opening between eyelids. If frequent or constant...
Swelling or puffing of the eyes can be the result of a trigger, such as allergies, or due to body composition, such as excess weight. Whatever the reason, puffy eyes can be an annoying occurrence that can cause discomfort, itching and, even,...
According to the National Eye Institute, amblyopia is the leading cause of eye problems in children and affects 2 percent to 3 percent of all kids. Also called lazy eye, amblyopia is easily treated and completely curable if caught early, but may...
In addition to serving as a window to the soul, your eyes and sense of sight likely play a major role in your daily life. Your eyes contain a number of tissues: an exterior corneal layer, light-focusing lens, pigmented iris, viscous fluid that...
The retina, which lines the inside, back portion of the eye, responds to light entering the eye, and thus plays a vital role in vision. Changes in the retina may cause flashes of light in any area of vision, though commonly in the side vision....
Many millions of people have one type or another of difficulty with their vision. For much of history, the only treatment option for vision problems was the use of eyeglasses, but in recent years a variety of different surgical procedures have...
Ping celebrated its 50th anniversary in 2009. Since 1959, Ping has grown from a workshop in Karsten Solheims's garage to a company that employs more than 1,000 workers. Karsten Solheim, the founder of Ping, quickly gained a reputation for...
Vitreous humor, a thick, gel-like substance, fills the back section of your eye, helping to maintain your eye's shape. The clear vitreous consists of fibers that hold the vitreous steady, attached to the retina that lines the inner section of the...
Diabetes, a disease characterized by high blood glucose levels, can lead to serious eye complications. The changes caused by diabetes aren't obvious until damage has already been done, which is why the American Diabetic Association (ADA)...
Healthy eyes help children interact with their world, which aids them in developing new abilities. However, at least 5 percent of preschoolers and 25 percent of school-age children have vision problems, and 10 percent of children are at risk for...
Myopia, or nearsightedness, is the term for having good near vision but poor distance vision. This is not an eye disease and relates mostly to the shape of your eye. A myopic eye is not perfectly round, but instead has a longer shape, causing the...
Astigmatism is an eye problem that optometrists can correct with the right lenses. Get professional tips and advice on eye problems and optometry in this video.
Learn information and details about how to work around the eye area during an ultrasonic facial in this free video clip.
