Eye Conditions and Diseases

Simple remedies for these bothersome and uncontrollable eyelid spasms.

How to spot the differences between the easily confused conditions.

Learn common causes of eye redness, plus tips on how to prevent and treat red, bloodshot eyes.

Blurry vision is the loss of sharpness of eyesight, making objects appear out of focus and hazy. The primary causes of blurred vision are refractive errors.

Common causes of pain in the eye, with guidance on whether a painful eye needs to be seen by an eye doctor.

A stye is a tender, red bump near the edge of your eyelid.

What is eye discharge and why do you wake up with sleep in your eyes? Learn about the causes and treatment of eye discharge.

Learn about blepharitis, including the causes, symptoms, treatment and prevention techniques for this common eyelid inflammation.

Astigmatism is a condition that causes blurry, fuzzy or distorted vision at any distance. It is caused by imperfections in the curvature of the cornea or the lens (or both).

A chalazion is a painless eyelid bump due to a clogged oil gland. Learn about symptoms, treatment and prevention of chalazia.

Bell’s palsy is temporary facial muscle weakness or paralysis caused by inflammation or compression of the facial nerve.

Lazy eye (also called amblyopia) can prevent your child from developing normal vision. Learn the warning signs of lazy eye and how to avoid it.

A subconjunctival hemorrhage causes a scary-looking bloody eye. But it's no cause for alarm and will typically go away within a week or two.

Burning eyes are uncomfortable, and their causes range from mild to serious. Find out what could be causing your eyes to burn or sting.

Learn what causes anisocoria and when to see an eye doctor if you have unequal pupils.

Learn which treatments, including at-home treatments, can help you get rid of a stye fast. Also learn how you can prevent styes from happening in the first place.

Learn about CMV retinitis, a sight-threatening complication of HIV/AIDS, chemotherapy & bone marrow transplants. Discover cytomegalovirus symptoms & treatment.

Do you have a corneal abrasion? Learn the symptoms of a scratched cornea or scratched eye and the best treatments from the medical experts at All About Vision.

A corneal ulcer requires prompt medical attention. Learn about the symptoms, causes and treatment of corneal ulcers.

Double vision is seeing two images of an object instead of one. Also called diplopia, it can occur suddenly and have serious causes.

Suffering from eye allergies? Symptoms of eye allergies include itchy eyes, watery eyes, red eyes & puffy eyes. Discover treatments for seasonal eye allergies.

Age-related macular degeneration (AMD) causes central vision loss. Learn about the causes and symptoms of macular degeneration, plus the current treatments.

What is eye discharge and why do you wake up with sleep in your eyes? Learn about the causes and treatment of eye discharge.

Eye floaters are annoying specs and shapes that drift in front of your eyes. Learn what causes floaters and eye flashes — and how to get rid of them.

Learn what causes eye infections, which symptoms to watch for, and the different methods of infection treatment.

Signs and symptoms of central retinal artery occlusion (CRAO), branch retinal vein occlusion (BRVO) and other eye strokes.

7 things you need to know about Fuchs' corneal dystrophy - including causes, symptoms and treatment.

A hyphema is a broken blood vessel in the eye that causes blood to collect behind the cornea. It can cause glaucoma.

Usually itchy eyes are caused by some type of allergy, like pollen, dust and animal dander.

Keratoconus doesn't have to cause permanent vision loss. Learn about treatment options for this corneal disease.

Dr. Dubow defines macular holes, including causes and treatments such as vitrectomy.

Meibomian gland dysfunction (MGD) is a common eyelid problem that causes dry eyes, styes, and other problems. Learn how to identify if you have MGD and what can be done to get rid of it.

How to get rid of milia (tiny white or yellowish cysts) from your face, eyelids and under your eyes.

Nystagmus is a disorder that can cause a range of involuntary eye movements, which can make it difficult to focus the eyes.

Ocular hypertension (high eye pressure) significantly increases your glaucoma risk. Have routine eye exams that include eye pressure measurement to avoid vision loss.

Ocular rosacea is very common in people with this skin condition; learn about causes, such as stress, and treatments.

Learn what can be done about optic neuritis and inflammation of the optic nerve, often associated with multiple sclerosis.

Tunnel vision is a loss of peripheral vision so you can only see objects directly in front of you. Find out what causes tunnel vision and what (if anything) you can do about it.

What causes that unsightly yellow bump on the eye called a pinguecula, and how it can be removed with surgery.

What causes a pterygium to grow on your eye and when pterygium surgery is needed.

Do you have ptosis? Learn about droopy eyelids and droopy eyes, including ptosis symptoms, causes, risks and treatment (surgery).

A look at the causes of puffy eyes and dark circles, and how to get rid of them.

Retinal detachment is a medical emergency. Find out if you are at risk of a detached retina, what the symptoms are, and what to do if you have them.

What you should know about retinitis pigmentosa, including causes, symptoms, treatments and details about Usher syndrome.

With Sjogren's syndrome, dry eyes are a common symptom; learn about other symptoms, causes and treatments.

Strabismus (crossed eyes) is a failure of the two eyes to maintain proper alignment and work together. Strabismus can be constant or intermittent.

Guide to Stargardt's disease (often mistakenly called Stargate's), including causes of vision loss and what to expect.

We explain the 4 main types of uveitis and the many systemic disorders, such as Lyme disease, that can cause it; also learn about symptoms and treatments.

The latest, most interesting news about the eyes, eye care, eye problems and diseases and vision research.

Do you have tired eyes? Discover the five ways to relieve your tired eyes including getting more sleep, drinking more water, and taking screen breaks.

Do you know the most common causes of watery eyes or teary eyes? Discover in All About Vision's article the common causes of watery eyes and treatments.

Hooded eyelids, also known as “hooded eyes,” are a common facial feature characterized by a small amount of excess skin or fat under each eyebrow.

Get the latest news about AMD or age-related macular degeneration, also known as ARMD. See what you can keep your eyes and vision healthy

Age-related macular degeneration patients who miss treatment appointments have poorer visual outcomes. Even one skipped treatment can result in reduced visual acuity.

Wondering what causes bad eyesight? The experts at All About Vision reveals the most common causes of bad eyesight, ways to minimize and treat bad eyesight.

Think you might have eye allergies? Take our 7-question self-test to find out if allergies are to blame for your itchy, red, watery eyes.

Fluctuations in vision (frequent changes in the sharpness of your eyesight) can be caused by temporary conditions, developing eye issues or serious health problems.

The latest news about glaucoma, including research on new and existing treatments and practical information for glaucoma patients.

Worried about getting pink eye? Our 10 tips will help you to reduce your conjunctivitis risk. Here are 10 precautions you can take.

Learn about rare conditions that affect the eyes, like crying tears of blood and seeing things after you’ve lost sight. We’ll unveil cause of these eye diseases.

Learn how UV exposure can affect your eyes.

Thyroid eye disease often causes the eyes to bulge outward. It can occur alone, or more commonly, along with other conditions such as Graves’ disease.

Tired eyes are a common result of extended eye strain, like staring at a screen all day or driving long distances. Taking breaks can ease eye strain.

Does UV light exposure cause eye cancer? The answer is very rarely. AllAboutVision provides helpful tips on how to avoid harmful ultraviolet rays that can lead to damaging your eyes.

Would playing video games correct lazy eye in children?" All About Vision reveals recent studies that show video games and apps correct lazy eye in children.

Women face a higher risk of certain eye and vision conditions.

Learn what causes yellow eyes, how they're treated and when you need to see an eye doctor.

Conjunctivitis (pink eye) is a common eye infection that results in red, irritated eyes. Most pink eye is treatable, depending on its cause and symptoms.

There are many types of pink eye, each with unique causes, symptoms and treatments. Find out more about some of the most common types of conjunctivitis.

Charles Bonnet syndrome is a condition in which people who've lost their vision begin to hallucinate various shapes, patterns and people.

Eye cancers are rare but can be risky. Find out about the most common causes, symptoms and treatments of eye cancer.

Microphthalmia, characterized by abnormally small eyeballs, is a congenital defect that affects 1 in 10,000 births.

Eyelid skin tags are bothersome, but not dangerous. Skin tag on eyelid removal should be performed by a dermatologist.

Eyes popping out (globe luxation) is a condition that occurs rarely — but when it does, it can cause severe vision problems.

Eye cancers are rare but can be risky. Find out about the most common causes, symptoms and treatments of eye cancer.

Heterochromia describes when a person's eyes aren't the same color. Find out about the different types of heterochromia and what causes it to occur.

All About Vision explains the definition and causes of glaucoma.