Muscle spasms are involuntary contractions or cramps of the muscles in the body. They are usually very painful and most commonly occur due to dehydration, or when a muscle becomes irritated, is used excessively or is injured, according to the...
Most people see the world through binocular vision, which is vision that receives input from both eyes. People with a glass eye have monocular vision; they see the world with only one eye. Binocular vision allows input from two different angles to...
The eye serves as an important sensory component that allows for vision. Sometimes, eye muscles may malfunction and certain eye movements become abnormal. One eye may point one direction while the other moves another direction. This may lead to...
Vision is defined by Merriam- Webster as "the act or power of seeing." Two simple things that you can do to improve your vision are eating a healthy diet and including eye exercises to help prevent stress and strain on the eyes and surrounding...
Swollen eyes can be due to something as simple as crying or as complex as conjunctivits, a viral or bacterial illness. According to Dr. Burt Dubow, some common eye disorders that can lead to swelling, include eye allergies, broken blood vessels...
Dry eyes can be caused by different diseases, problems in the eyelid anatomy or the environment. Another cause of dry eyes is medications--some medications that are prescribed for certain systemic conditions may have dry eye as a side effect. When...
Adjusting crossed eyes can be accomplished with the use of therapeutic exercise under direction doctor supervision. These exercises can be also done in the comfort of your own home or even at the office. Maintaining a full range of motion in your...
Macular pucker is a condition where a layer of scar tissue forms in the macula of the retina. This condition may be caused by the vitreous pulling on the retina in the back of the eye or by any type of injury to the eye. This layer of scar tissue...
About 20 percent of Americans 65 years and older have problems with their eyes, and eye problems increase with age. Visual impairments range from low vision to eye disease that can cause blindness. The good news is that preventative eye care can...
While people normally think of vitamins and supplements as helpful, a large number of supplements can cause rather than cure eye problems. Some supplements cause problems only when taken in large quantities, while others can cause problems at any...
The method used for making contact lenses often is dependent upon the type of contact lens. There are three chief contact lens types: soft, gas permeable or hybrid lenses.
Soft contact lenses are made in order to retain their flexible properties...
Computer vision syndrome, or CVD, affects people who spend more than two hours a day on the computer, according MDSupport.org. As many as 50 to 90 percent of people who work at video display terminals develop visual problems, the American...
Every pair of prescription eyeglasses begins with a piece of glass or plastic called a lens blank. Making a pair of optical lenses is a precise and complex job done by skilled opticians. The work is done in a lens laboratory that uses specialized...
Working out can cause some of your senses to numb as the intensity of exercise saps your mind's focus. But the development of blurry vision may be a concern all of its own. Although this might result from a normal eye condition, blurry vision...
The medical term for eye twitching is blepharospasm. Eye twitching is when the muscles in the eye area twitch or spasm involuntarily. The twitching can occur in the eyelid or under the eye. It is usually a temporary and harmless condition that...
Under-eye puffiness and dark circles can be caused by a number of lifestyle factors or medical conditions. Lack of sleep, excess sodium in the diet, sinus congestion, fluid retention and genetic predisposition can all lead you to develop these...
Many teens notice eye floaters, and those who are nearsighted are likely to see them at a younger age. Frequently, the phenomenon is benign, but it can be a symptom of a serious underlying condition. In teens, head and eye trauma is a leading...
Ophthalmic migraines have similar symptoms as ocular migraines. However, ophthalmic migraines typically occur in young men and visual distortions often occur when pain is the most severe rather than before the pain begins. Occasionally, ophthalmic...
In a tight economy, the last thing you want to worry about is replacing your eyeglasses. Eyeglasses can be an expensive investment and caring for them properly can keep your eyeglasses in good working condition. Unfortunately, mishaps are bound to...
Whether you are putting on prescription contact lenses to improve vision or cosmetic lenses to change the color of your eyes, the insertion instructions are the same. It will probably feel strange the first time, however, after successfully...
Entropion is a medical condition in which the eyelid, most often the lower one, turns inward, causing the eyelashes and skin to irritate the eye. The inward turning of the eyelid may be permanent or occur only during blinking. There are many...
A person develops a cataract when the lens inside of the eye becomes cloudy and impacts vision. Cataract surgery is a common and safe procedure that typically has a short recovery time. However, as with all surgeries, there can be complications...
There are a variety of diseases that affect the muscles of the eye and eyelid. Some of these conditions are ocular manifestations of systemic diseases, while other conditions may be genetic. Double vision and droopy lids are symptoms of many of...
Dry eye occurs when the eye does not produce enough tears or the tears don't work properly to keep the eye lubricated, says the National Eye Institute. This can lead to serious problems including pain, ulcers, scarring and even vision loss....
Your skin's condition begins to change as you get older. It often becomes drier, as aging skin doesn't produce as much oil, according to the University of Maryland Medical Center. It may also become wrinkled. Treat your skin to gentle skin-care...
Pink eye is a condition known in the medical world as conjunctivitis. The conjunctiva is a clear membrane the covers the eyeball and the inside of the eyelids. When the conjunctiva becomes inflamed or infected, it is called pink eye. Pink eye can...
You will have a better ski experience when you wear the right goggles over your prescription glasses. Many people don't realize that ultraviolet radiation is much worse for your eyes when you are skiing than during summer sports. A 2002 study done...
Eyesight is a complex process involving several reactions of light rays through the lens and cornea and into the retina. The retina passes the information that it "sees" to your brain via the optic nerve, which then interprets the information....
More than 24 million people in the U.S. wear contact lenses, notes the University of Michigan's Kellogg Eye Center. Contact lens exams are different than examinations for glasses. During a contact exam, the eye is measured and other tests are done...