Hutchinson-Gilford progeria syndrome facts* *Hutchinson-Gilford progeria syndrome facts medical author: Charles Patrick Davis, MD, PhD Hutchinson-Gilford progeria syndrome is a genetic condition characterized by the dramatic and rapid appearance of aging; symptoms begin in early childhood. Signs and symptoms may include facial changes such as thin, beaked-tipped nose, a small chin, thin lips, protruding ears …

Vasectomy facts *Vasectomy facts medically edited by: Charles Patrick Davis, MD, PhD Vasectomy is an effective method of birth control; only about 15 out of 10,000 couples had a pregnancy occur after vasectomy. Vasectomy is a surgical technique done in men to cut the vas deferens bilaterally to prevent sperm from reaching the seminal fluid during ejaculation. Vasectomies are usually …

Problem sleepiness facts* Readers Comments 3 Share Your Story *Problem sleepiness facts medical author: Melissa Conrad Stöppler, MD Problem sleepiness occurs when sleepiness during the day interferes with work or social functioning. Symptoms of problem sleepiness may include difficulty concentrating, falling asleep while driving, or problems with emotional control. There are a number of causes of problem sleepiness, including sleep …

What Causes Musculoskeletal Pain? The causes of musculoskeletal pain are varied. Muscle tissue can be damaged with the wear and tear of daily activities. Trauma to an area (jerking movements, auto accidents, falls, fractures, sprains, dislocations, and direct blows to the muscle) also can cause musculoskeletal pain. Other causes of pain include postural strain, repetitive movements, overuse, and prolonged immobilization. …

Phakic intraocular lenses are new devices used to correct nearsightedness. These thin lenses are implanted permanently into the eye to help reduce the need for glasses or contact lenses. What are Phakic Lenses? Phakic intraocular lenses, or phakic lenses, are lenses made of plastic or silicone that are implanted into the eye permanently to reduce a person’s need for glasses …

Introduction to LTK Laser eye Surgery Laser thermokeratoplasty, or LTK laser eye surgery, is a new procedure used to treat farsightedness and astigmatism. During LTK laser eye surgery, a laser beam uses heat to shrink and reshape the cornea. Vision problems from farsightedness or astigmatism are corrected in a matter of seconds, without any cutting or removal of tissue. Although …

Introduction to LASEK Laser Eye Surgery LASEK laser eye surgery is a newer surgery that combines many of the benefits of older vision correction surgeries, explain doctors at The Cleveland Clinic. Laser epithelial keratomileusis, or LASEK, combines benefits of the two most commonly performed procedures — LASIK and PRK. LASEK laser eye surgery is used to treat astigmatism, nearsightedness or …

Introduction Presbyopia is part of the natural aging process of the eye, and can be easily corrected. Technically, presbyopia is the loss of the eye's ability to change its focus to see objects that are near. It is not a disease. It's as natural as wrinkles, and it affects everybody at some point in life. Presbyopia generally starts to appear …

Introduction to myopia Myopia (or nearsightedness) affects 20% to 30% of the population, but this eye disorder is easily corrected with eyeglasses, contact lenses or surgery. People who have myopia or nearsightedness have difficulty seeing distant objects, but can see objects that are near clearly. For example, a person who is nearsighted may not be able to make out highway …

Introduction We see through the cornea, which is the clear, central part of the front surface of the eye. Normally, the cornea has a round shape, like a ball. Sometimes, however, the structure of the cornea is just not strong enough to hold this round shape. The normal pressure inside the eye makes the cornea bulge outward like a cone. …