Of the five senses, vision is the most powerful. Vision allows you to perceive the world and assess your environment with speed and accuracy, abilities that enrich experience and hasten response to danger. Seeking eye surgery that may improve...
Corneal ulcers, sometimes referred to as keratitis, affect the cornea, the outer dome that covers the front of your eye. This often occurs from an infection in the cornea or from a scratch or other injury that causes an open wound in the corneal...
If you wear contact lenses that are not designed to be worn overnight, your optometrist has probably warned you against sleeping in them. Sleeping in contact lenses may harbor bacteria or scrape the eye, causing an infection. If you experience eye...
Shingles, also known as herpes zoster, results from the reactivation of the chicken pox virus. The condition attacks nerves, usually on one side of the body, and may move into the eye. If someone with shingles does not seek treatment, he may have...
The cornea is the clear outer dome that covers the front of your eye. An injury or infection to the cornea may result in an open wound or erosion of an area on this sensitive tissue, a condition known as a corneal ulcer. Contact lens wearers have...
Contact lenses can cause a variety of eye disorders, depending on the type of contact lens worn, cleaning solutions, hygiene, fit and wearing schedule. According to “The Eye Book,” complications that are caused by contact lenses are...
The Acuvue Oasys with Hydraclear Plus contact lens is a soft contact lens that is used to treat both near- and farsightedness. People with nearsightedness need correction to see objects that are far away, while those with farsightedness need...
Lasik eye surgery corrects astigmatism, nearsightedness and farsightedness by reshaping the clear cornea at the front of the eye. The procedure involves cutting a flap of surface corneal tissue, applying a laser to the exposed cornea and replacing...
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...
Herpes simplex virus (HSV) is the germ that causes cold sores. Most people contract facial HSV as young children; the virus typically enters the body through the mouth. The initial HSV infection often goes unnoticed because it frequently causes no...
Contact lenses can be used to correct visual acuity in people who are nearsighted (myopic), farsighted (hyperopic) and have irregular corneas (astigmatism). According to the Association of Contact Lens Manufacturers, there are 31 million people in...
Although some types of contact lenses are made to wear for extended periods of time, most conventional lenses are designed for daily wear and must be removed for cleaning and disinfecting every night before you go to sleep. Sleeping in contact...
Tinted contact lenses come in both prescription and nonprescription varieties, although the purchase of colored contacts without consultation from a medical professional is not allowed in the United States. Despite the legalities, cosmetic lenses...
External eye conditions may result in damage around the eyelids or on the surface of the eye. Some conditions may cause only minor irritation, but some may result in permanent vision loss. A person who has painful or irritated eyes, or any vision...
Ulcers on the eye typically appear on the cornea, the clear window that lets light into the back of the eye. Corneal ulcers often result from infections, severe dry eye, a foreign body or other inflammatory disorders, says the U.S. National...
Contact lenses are thin, curved plastic disks that are placed over the cornea, or the outer layer of the eye, for vision correction. According to the University of Michigan Kellogg Eye Center, there are 24 million people in the United States alone...
The natural tears of the eye protect and nourish the eye's surface. Doctors diagnose dry eye syndrome when a person has changes in the production and quality of the tears. In people with dry eye, understanding the condition and the treatment...
Ofloxacin ophthalmic solution belongs to a class of prescription medications known as quinolone antibiotics, and is used to treat eye infections. In the United States, its brand name is Ocuflox. Olfoxicin only stops the growth of bacteria and is...
Contact lenses are an option for people who need a prescription for better vision but do not want to rely on eyeglasses every day. However, contact lenses require more than the prescription for correcting vision. The eye doctor must also measure...
Around 135 million people worldwide wear contact lenses, small corrective plastic discs that sit on the surface of the eye, MayoClinic.com reports. While contacts have many benefits, they also have many drawbacks and can cause serious...
Contact lenses have become an increasingly popular alternative to glasses for corrective vision since they first hit the market in 1979, according to EyeTopics.com. Innovations in lens type and comfort have made contact lenses more versatile, less...
Eye health is important for a person's emotional and physical well-being. According to the Centers for Disease Control and Prevention, an estimated 1.8 million Americans over age 40 have age-related macular degeneration, 3.3 million over age 40...
Contact lenses are designed to enhance your vision without the need for glasses. Although not all eyes and vision problems are suited for contacts, most of the time, contacts can be comfortably worn without problems or complications. However, some...
Warning signs of an eye problem vary with conditions causing changes in the eye. Some eye conditions occur suddenly, causing dramatic changes. Other types of eye diseases gradually damage the eye, causing slow, nearly imperceptible changes. In...
Though used for cosmetic purposes to change your eye color, colored contact lenses are still considered medical devices. Federal law prohibits sellers from providing you with any type of contacts, even colored lenses, without a valid prescription....
Various methods of correcting vision are available, the most popular being eyeglasses and contact lenses. The Vision Council of America states that three out of four adults need corrective lenses, and about 64 percent of adults wear glasses. In...
Bell's palsy is a condition in which the muscles of the face become paralyzed due to damage to a facial nerve. Potential causes of Bell's palsy include viral infections (herpes simplex, HIV), bacterial infections (tuberculosis, Lyme disease),...
The cornea is the clear outer layer that protects the front of the eye. Corneal ulcers, also known as keratitis, usually affect one eye at a time. This condition happens when bacteria or parasites enter the eye through the body, causing...
Dry eyes can affect anyone. In fact, the condition affects an estimated 33 million people in the United States each year. While certain immune disorders can cause dry eyes, the use of antibiotics, diuretics, ulcer medications, birth control pills...
