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.

Itchy, irritated eyelid margins are a common complaint. The eyelid margins contain the eyelash follicles and several types of glands that lubricate the lashes and nearby skin, and contribute to the tear film that keeps the eyeball surface moist.

Protein buildup is a common problem with soft and hard contact lenses. Buildup can usually be seen in the form of white or cloudy marks on the surface of the contact lens, which causes blurred vision and discomfort. With proper care and use of contact lenses, protein buildup can be controlled.

Eye exercises are somewhat controversial and may even offer false hope for eye conditions such as glaucoma and cataracts. Double vision, however, may be improved with eye exercises. An issue such as convergence insufficiency or a palsy of the third or fourth cranial nerves, or diplopia may all lead to double vision.

If you find yourself needing to hold books, magazines and other written material at arm's length to read the words, you are probably developing a condition known as presbyopia. Presbyopia is a common age-related change in vision that usually strikes around the age of 40.

A natural lens sits inside the front section of your eye, and as you age this lens may start to turn cloudy. This condition, called a cataract, will lead to progressively worsening vision.

Eye exercises are not just done by people watching.You can actually increase your ability to see better and more clearly as well as decrease the need and dependence on glasses and contacts. Literally, in just minutes per day, with attention to the proper exercises listed below, you can improve your eyesight.

The eye’s defense against many infections and foreign bodies usually appears in the form of discharge in the corner. The color of the discharge may vary, though it often appears yellow.

Overdosing on garlic can cause more than a distinctive and pungent odor. While garlic has a number of potential health benefits, too much garlic can interfere with blood clotting, reports a 2007 study published in "Molecular Nutrition and Food Research."

Although some changes in vision may be a natural part of aging, blurred vision may be a sign of an underlying eye disease. One cause of deteriorating vision is a condition called macular degeneration.

An infected oil gland swells with fluid, creating a sty on the eyelid. This swollen, red bump is sensitive to touch and can occur in individuals of all ages, although certain behaviors increase the risk of experiencing a sty.

There are many physical alterations during the teenage years as prepubescent girls and boys reach maturity. Typical body changes include new hair growth and pimple outbreaks. Some teenagers have a less common change. They suddenly notice clear spots or lines floating across their visual fields.