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  • Tips for Good Vision

    The following tips can help you keep your eyes healthy and your vision as clear as possible. Provide good light for reading, work, or study. Use soft background light, plus a light on your task. Take regular breaks from close work and visually demanding tasks. Blink often, and close and...

  • Contact Lens Problems: Infection

    Keratitis refers to an inflammation of the cornea. Infection of the cornea is called infectious keratitis. It is the most serious complication of contact lens wear and can cause blindness. Bacterial keratitis is the most common type of infectious keratitis. Overall, bacterial keratitis is among the least frequent...

  • Contact Lens Problems: Hypoxia

    Hypoxia occurs when the cornea does not get enough oxygen. It is the most common complication of contact lens wear, especially extended-wear lenses. The cornea has no blood supply of its own, so it gets oxygen only from tears and directly from the atmosphere. A contact lens reduces the oxygen...

  • Contact Lenses: Dry Eyes

    Not having enough tears (dry eye) is caused by a lack of one or more of the substances that make up tears. Dry eyes are common in those who wear contact lenses. Eye diseases, other diseases, and certain medicines can also cause dry eyes. What are the symptoms of dry...

  • PRK, LASEK, and Epi-LASIK for Nearsightedness

    PRK (photorefractive keratectomy), LASEK (laser epithelial keratomileusis), and epi-LASIK (epithelial laser in-situ keratomileusis) use a laser to reshape the cornea. By reshaping the cornea, these surgeries allow light to focus on the retina. This corrects a person's vision. With PRK, the top layer on the surface of...

  • Lupus (Systemic Lupus Erythematosus)

    Discusses lupus, an autoimmune disorder. Focuses on systemic lupus erythematosus (SLE). Covers symptoms and how it is diagnosed. Covers treatment with medicines like corticosteroids, NSAIDs, and antimalarials. Discusses the importance of good self-care.

  • LASIK (Laser In-Situ Keratomileusis) for Nearsightedness

    LASIK (laser in-situ keratomileusis) is a surgery that flattens the cornea. It's the most common laser surgery for correcting nearsightedness (myopia) and astigmatism. LASIK makes a small flap in the cornea and removes some of the tissue exposed by the flap. The laser removes tissue from the cornea very accurately.

  • Protect Yourself From Hepatitis A When Traveling

    Immunization against the hepatitis A virus (HAV) is recommended for anyone traveling to any country or area except: Australia. Canada. Japan. New Zealand. The United States. Western Europe and the Scandinavian countries (Norway, Sweden, and Finland). Talk to your doctor before visiting any other areas. If you plan to...

  • Nearsightedness (Myopia)

    What is nearsightedness? Nearsightedness (myopia) is a common cause of blurred vision. It can be mild, moderate, or severe. If you are nearsighted, objects in the distance appear blurry and out of focus. You might squint or frown when trying to see distant objects clearly. Nearsightedness is usually a variation...

  • Anterior Cruciate Ligament (ACL) Injuries

    What is an anterior cruciate ligament (ACL) injury? An anterior cruciate ligament, or ACL, injury is a tear in one of the knee ligaments that joins the upper leg bone with the lower leg bone. The ACL keeps the knee stable. Injuries range from mild, such as a small tear,...


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