Eye & Vision Disorders

Ingrown eyelashes are a common condition for men and women, as well as dogs and cats. There are several variations of the problem. Trichiasis develops when eyelashes grow in toward the eyeball. ...

The cornea is a transparent membrane covering the front portion of the eye that is responsible for around 70 percent of the eye's focusing power. Corneal topography is an ocular imaging technique...

It's a beautiful sunny day at the beach. The day is warm and the surf's inviting. Nothing can ruin a day like this except for one little thing in the form of a small particle. When a grain of sand...

There are many people with glasses and contacts who opt for LASIK surgery for vision correction. Dry eyes are a common side effect of the procedure. However, this effect does not usually last for...

Once you understand what the numbers describing your eyesight mean, you can easily understand the prescriptions and conditions described to you.

A cholesterol ring is seen in the eye when a person's bad cholesterol increases and good cholesterol decreases. The ring is an indicator of high cholesterol, which is a preliminary sign of future...

Among the most serious of eye infections are those caused by the hyphae fungus. Patients with this condition usually require extensive long-term treatment to ensure permanent damage does not...

Astigmatism is a common vision condition where the cornea or lens of your eye are not perfectly smooth. This causes blurred vision no matter the distance and can requiring corrective lenses or...

Lasik is a 30-minute eye surgery that corrects vision imperfections and aims to leave patients without the need for contacts or glasses. The cornea is reshaped with the use of a laser.

Acuvue 2 contacts are designed to be used daily or extended wear. These contacts are used to correct vision, but also have a blocking mechanism that helps prevent harmful UV radiation from...

Hard and gas permeable contact lenses occasionally become difficult to take out with the normal "popping out" method. When this happens, lenses can become stuck by suction to the cornea, the front...

Laser eye surgery provides an alternative to other forms of vision correction, such as contacts or glasses. It is used to correct conditions such as near-sightedness, far-sightedness, and...

Contact lenses are, for many people, a part of everyday life. These prescription eye lenses are made of soft or hard plastic, the type depending on the needs of the patient, and they fit over the...

The leading cause of corneal blindness in the United States is ocular herpes, according to the National Eye Institute (NEI). It is a recurrent viral infection that reappears in half of those...

Intralase LASIK is a type of corrective eye surgery primarily designed to correct astigmatism, hyperopia and myopia. It's similar to LASIK surgery except that it uses a laser rather than a scalpel.

A corneal disease is an eye disease that stems from some damage or malfunction of the eye's cornea, which is the clear outer window of the eye that allows light to pass through and reach the...

Technological advancements and improvements in surgical technique have had a tremendous impact on vision correction. Laser technology, used for an ever-growing number of purposes in the medical...

Pterygium is a benign condition that can affect one or both eyes. It is characterized by the growth of the conjunctiva---the white portion of the eye---into the cornea. The cornea is the clear...

Refractive eye surgery is a type of surgery intended to improve the vision of its recipients. It has been performed for many decades, but since 1990 the incidence of voluntary refractive eye...

Eye abrasions occur when the eye's outer surface (the cornea) is poked or scratched with a foreign object. This can including rubbing your eyes after dust or sand gets into them. It can also be...

Advances in laser technology have had a tremendous impact on vision correction. Laser eye surgery is a safe and effective treatment method for patients suffering from vision problems.

The process of a contact lens fitting involves three steps: an interview to explain the fitting itself and to discuss your ocular history and lens options; a thorough eye exam; and the fitting of...

Ortho-K, technically called orthokeratology, is a non-surgical vision correction procedure that uses contact lenses, while the alternative vision solution is LASIK treatment, an irreversible laser...

LASIK surgery is the most commonly used form of laser eye surgery to correct vision deficiencies. The keratoconus condition causes a vision deficiency, but should not be treated by LASIK surgery.

Advances in laser technology have resulted in its widespread use in the medical field as a solution for many irregular health and aesthetic conditions. Laser technology has had a tremendous impact...

Laser surgery is used to treat a plethora of medical conditions, and has made a significant impact on eye care. LASIK surgery (laser in-situ keratomileusis) is the preferred treatment of more than...

Developments in laser technology have expanded its use in the medical field as a solution for treating a wide variety of conditions. Laser technology and techniques have had a significant impact...

The use of laser technology in the medical field has become the solution for treating a plethora of conditions and has made a tremendous impact in eye and vision care. Laser treatment has made it...

Contact lenses are designed to be positioned in a specific location on the surface of the eye called the cornea. If you wear your lenses for too long or in the wrong way, you can cause the cornea...

Vision problems are fairly common. Correction for such eye problems used to be limited to glasses or contact lenses. However, in the age of modern technology, these are not the only options...

Double vision, or diplopia, can be disorienting and is a problem that should not be ignored. Although many causes of double vision are relatively minor in nature, it can also be a symptom of more...

The eye is arguably the most important of the human sense organs. The eye takes in light and allows us to interpret color, shape, size and movement of the objects that surround us.

Shortsightedness and nearsightedness are synonymous terms. The latter is mostly used in the U.S. whereas the first term is generally used in the United Kingdom and Europe. According to Bupa.co.uk,...

The eye is a complex organ having several structures that are prone to disease, including the cornea, retina and macula. If one or more of these structures deteriorate, vision obstruction or...

Hard contact lenses will not damage vision if worn according to instructions, but long-term wearing of hard contact lenses can result in severe eye damage. Although most effects of long-term...

Laser-assisted in situ keratomileusis, or Lasik, is a surgical procedure intended to reduce the need for eyeglasses and contact lenses.

Corneal oxygen deficiency occurs when the cornea -- the transparent shield covering the eye -- is deprived of oxygen. This is most commonly caused by excessive contact lens wear. Contacts block...

Thumbprint eye disease (Cogan's syndrome or map-dot-print fingerprint dystrophy) is a disorder that targets the eyes and is called corneal dystrophy. It affects the epithelial layer of the cornea...

Astigmatism is the result of an abnormal curvature of the cornea of the eye. It is common and easily treatable eye condition that causes blurred vision at any distance. The cornea, which is the...

The cornea is the outer protective covering of the eye. It contains cells and proteins but no blood vessels, though it does receive vital nutrients from a liquid called aqueous humor, which fills...

Almost all of us have experienced eye problems secondary to stress, infection, or other conditions that cause eye discomfort. Usually these eye problems are temporary and can be resolved without...

LASIK (laser-assisted in situ keratomileusis) is a procedure that reshapes the cornea to improve vision. Ideally, LASIK surgery eliminates the need for contact lenses or glasses. According to the...

Similar to the common LASIK eye surgery, IntraLASIK is a procedure which only uses lasers to help correct a patient's vision. Also known as Bladeless LASIK or All-Laser LASIK, it is considered to...

Seeing a single clear image is something most of us take for granted. We open our eyes in the morning expecting everything to be in working order. However, seeing a single clear image is the...

Your eyes are powerful devices that send messages to your brain so that you can see what is in front of you. The entire process of how vision works is very complex, but there are some basics that...

PRK, or photorefractive keratectomy, was the original laser-based vision correction surgery. While PRK represented a great advancement in eye care technology, it had its drawbacks. During the PRK...

If you suspect you have an eye cornea infection, see your doctor immediately. Early treatment is key to preventing serious problems such as vision loss, corneal scars and even loss of your eye....

When you explore ways to improve your vision, you're likely to hear Lasik eye correction mentioned, just as you might hear "eyeglasses" or "contacts" mentioned. The laser treatment that can make...

Herpes viruses can cause infections in many areas of the body. Eye herpes, also called ocular herpes, typically results from an infection with herpes simplex virus type 1 (HSV-1), also known as...

Chandlers syndrome is a rare disorder of the eye that affects the cornea and iris. It is part of a spectrum of conditions called iridocorneal endothelial syndrome (ICE). Chandlers syndrome may...