In-depth

Albinism

Albinism, a group of inherited disorders, can cause vision problems and unusually light skin, hair and eye color.

Blocked tear duct

Blocked tear ducts are common at birth, but tear ducts can also become blocked in adulthood by infection or trauma. Treatment is almost always successful.

Cataracts

A cataract occurs when the normally clear lens in your eye becomes cloudy, often impairing vision. Fortunately, cataract surgery is safe and effective.

Convergence insufficiency

Children whose eyes don't turn inward properly to focus on close objects may have trouble reading. But eye exercises may improve the condition.

Diabetic retinopathy

Diabetic retinopathy can cause poor vision or even blindness. Take prevention seriously.

Dizziness

Dizziness is one of the most common health concerns. However, few cases of dizziness are due to serious conditions.

Dry eyes

Tears protect and lubricate your eyes. Dry eyes caused by decreased tear production or poor tear quality can interfere with clear, comfortable vision.

Ectropion

Ectropion — Comprehensive overview covers symptoms, causes, treatment of a sagging or outwardly turned eyelid.

Entropion

Entropion occurs when your eyelid turns inward so that eyelashes rub against the eye. Surgery is usually necessary to relieve symptoms and prevent cornea damage.

Eye floaters

Eye floaters — the black specks and strings that float inside your eyes — can sometimes be a warning sign of more-serious conditions.

Eye melanoma

Although melanoma is commonly a type of skin cancer, it can also occur in your eye. Eye exams can often detect this rare cancer.

Eyestrain

Reduce eyestrain by following these simple tips.

Farsightedness

With farsightedness (hyperopia) you can see objects in the distance clearly, but objects nearby are blurry. It's easily corrected with eyeglasses or contact lenses.

Fuchs' dystrophy

Fuchs' dystrophy is a condition that can affect your vision. There are ways to test for and treat this disease.

Iritis

Iritis is inflammation that affects the colored area of your eye called the iris. This serious condition can affect your vision if left untreated.

Keratitis

Keratitis is an inflammation of the cornea — the clear, dome-shaped tissue on the front of your eye that covers the pupil and iris.

Keratoconus

Keratoconus occurs when your cornea thins and becomes cone shaped, which can lead to worsening vision. Cone-shaped cornea usually affects teens and young adults.

Krabbe disease

Krabbe disease is a rare, inherited disorder that impairs functioning of the central nervous system, and most often affects infants, leading to early death.

Lazy eye (amblyopia)

The term "lazy eye" refers to an eye that wanders inward or outward. Treatment ideally begins in early childhood.

Macular degeneration, dry

Dry macular degeneration, the more common type of age-related macular degeneration, causes a loss of central vision.

Macular degeneration, wet

Wet macular degeneration is a severe form of age-related macular degeneration.

Migraine with aura

Migraine with aura is a usually severe headache that's accompanied by visual disturbances, such as flashes of light, zigzagging patterns or blind spots.

Multiple system atrophy (MSA)

Multiple system atrophy is a rare degenerative disorder that affects the brain and central nervous system, and is characterized by significant decreases in blood pressure.

Nearsightedness

Nearsightedness allows you to see objects near to you clearly, but objects farther away look blurry. It's easily corrected with eyeglasses or contact lenses.

Neurofibromatosis

Neurofibromatosis — Comprehensive overview covers symptoms, diagnosis and treatment of this genetic disorder.

Noonan syndrome

Noonan syndrome is caused by a mutation in one of the genes responsible for normal development in many parts of the body, including the heart.

Optic neuritis

Optic neuritis is an inflammation of the optic nerve, the structure that transmits visual information to your brain. Optic neuritis usually causes temporary vision loss.

Premature birth

Having a preemie can be overwhelming. Here's what you need to know about your baby's care and the possible complications of a premature birth.

Prepare for your eye exam

Presbyopia

Presbyopia is an age-related change in vision that usually makes it difficult to focus and see things close up. Several treatment options are available.

Pseudotumor cerebri

Pseudotumor cerebri — Comprehensive overview covers symptoms, causes, treatment of increased pressure inside the skull.

Retinoblastoma

Retinoblastoma is a cancerous tumor of the eye that generally affects young children. If retinoblastoma is detected early, a cure is possible.

Rett syndrome

Parenting a child with Rett syndrome can be challenging. Here's what to expect and steps you can take to help your child.

Shaken baby syndrome

Shaken baby syndrome — Comprehensive overview covers symptoms, treatment of this serious brain injury.

Sjogren's syndrome

Stickler syndrome

Stickler syndrome can affect multiple parts of your body, including your eyes, face, ears, bones and joints.

Subconjunctival hemorrhage

Subconjunctival hemorrhage occurs when a blood vessel breaks in the white of your eye, turning it bright red. Although painful looking, it is usually harmless.

Type 2 diabetes

Type 2 diabetes is on the rise — but here's information that may help you stop diabetes in its tracks.

Uveitis

Uveitis — inflammation of the eye is a serious condition that can lead to vision loss if not treated promptly.

Wilson's disease

In Wilson's disease, the body doesn't metabolize copper properly, causing excess amounts to accumulate in the liver and other organs.

Mar. 06, 2013