Eye Diseases & Conditions

Find the information you’re looking for by reading through our comprehensive articles on eye diseases and conditions.

Amblyopia (Lazy Eye)

Lazy Eye or Amblyopia is a very common condition. Usually present early in childhood, lazy eye can be corrected if caught early. Learn what you can do to correct this eye condition before it becomes severe.


Aphakia is a condition where the lens of the eye is missing. It can greatly decrease your vision acuity and cause other problems if not treated.


Astigmatism occurs because the cornea is shaped more like a football than a baseball. This different curvature causes 2 images to appear on the retina and causes blurry vision for any distance. Read on to learn more.

Blepharitis or Eyelid Inflammation

Blepharitis is a very common eye disorder that involves the inflammation of the eyelashes and eyelid edges. There are two types of Blepharitis, find out if you or someone you know is suffering from this non-contagious condition.

Bulging Eyes or Proptosis

Known by numerous names, the bulging out of ones eyes can be due to genetics or an underlying condition. Learn more about bulging eyes, causes and treatments for this condition.


A clouding of the lens that increases with age and other factors but with treatments widely available.

Children with Cataracts: Signs, Causes, and Types

Although cataracts are common among older people, they are also seen in children and infants. According to the Boston Children’s Hospital, approximately one child in 5,000 develops cataracts, and children account for approximately 0.4 percent of all cases. Children are either born with cataracts (congenital cataracts) or they develop them later. Like adults, children may [...]

Coloboma (Ocular)

Coloboma may be an umbrella term used to describe an abnormality in the eye. Read on to learn about it's symptoms, which diseases contribute to it, how it is managed and much more.

Color Blindness

Color Blindness, or Color Vision Deficiency, is an eye condition where a person is not able to distinguish certain colors or shades of colors to some degree.

Computer Vision Syndrome

Computer vision syndrome can cause mild to severe pain. Learn what you can do to relieve the problem.

Corneal Dystrophy

Even though this is a rare condition, it can still affect a wide range of people. Congenitally contracted, corneal dystrophy may affect your vision and way of life.

Corneal Ulcer

A guide to help you understand the severity of a corneal ulcers and the problems they can cause in the future if left untreated.

Cytomegalovirus (CMV) Retinitis

Cytomegalovirus Retinitis is inflammation of the retina caused by viral infection. CMV is a common virus that infects people of all ages. Keep reading to learn more about the causes, signs, symptoms and treatment.


Dacryocystitis is an inflammation of the lachrymal sac, which is part of the system that connects the eyes to the nasal cavity in order to drain tears away from the surface of the eye. Dacryocystitis causes watery eyes, swelling, redness, and pain in the lower eyelid. This inflammation may be related to a congenital type [...]

Diabetic Retinopathy

A common problem for people with diabetes where retinal blood vessels break down and affect vision.

Dry Eyelids

Having dry skin or dry eyes are one thing, but having dry eyelids can be annoying, embarrassing and sometimes painful. Learn what causes your eyelids to become dry, how to treat the problem and how to prevent it from happening again.

Dry Eyes

Dry Eyes, is a condition many people face. It is caused when the tears produced by the eyes lack the moisture & lubrication that it needs.

Duane Syndrome

Duane Syndrome is a rare disease that limits the eye muscles from moving inward, outward, or in both directions.


Entropion is a condition in which the eyelid folds inward, causing the skin on eyelashes to rub against the conjunctiva (the surface of the eye) and the cornea. This rubbing causes irritation, possibly even leading to corneal abrasion.  If it is left untreated, it may lead to self-inflicted trauma caused by rubbing the eyes, and [...]


Esotropia is a convergent strabismus in which one or both eyes turn inward toward the nose. It is most common in young children. Keep reading to learn more about the causes, signs and symptoms, and treatment.


Wall-eyes, or exotropia can be a very serious condition in some people. See what you can do to prevent this condition from worsening if signs are present.

Eye Infections: What You Need To Know

Eye Infections are eye ailments that are caused by bacterial, viral, or other agents like chemicals.

Eye Styes or Hordeolum

Styes are bacterial infections that lead to the obstruction of oil producing glands around the eyelashes or eyelids.

Eyelid Cyst

There are many types of eyelid cysts one can contract. Learn about all the different types of cysts that can appear on your eyelids. Also learn what causes them and how to treat them.

Eyelid Infection or Cellulitis Infection

The term cellulitis is known to be an infection. Eyelid cellulitis is much more serious, as it can spread easily and possibly cause permanent damage to ones vision or eyesight. Learn more about the types of eyelid cellulitis.


Vision loss due to damaged optic nerves that can not be restored and is usually unnoticed until significant damage has occurred.

Hyperopia (Farsightedness)

Hyperopia is a refractive error where the eyeball is shorter than normal. This causes the image to focus behind the retina rather that on it.


Hypertropia is a form of strabismus in which one eye turns upward, putting it out of alignment with the other eye. Other types of strabismus include esotropia (one or both eyes turn inward), exotropia (one or both eyes turn outward), and hypotropia (one or both eyes turn downward). Hypertropia may be constant, with the eye [...]


Learn about this incredible condition that causes inflammation in your iris (the colored part of your eye) and how it can change your life if left untreated.


Keratitis is a relatively common inflammation of the cornea. This inflammation could be caused by a bacteria, injury to the eye or dry eyes.


This slow progressing disease may take decades to recognize. Learn more about early symptoms to watch for, causes, diagnostic testing, treatment options and more.

Macular Degeneration

Macular degeneration often damages central vision and is prevalent in people age 60 and over with rare cases of people under 50. Read on to learn what you can do to treat this disease.

Myasthenia Gravis (Ocular)

Myasthenia gravis is a neurological disorder that often affects the eyes. Eye conditions associated with ocular myasthenia gravis include diplopia (double-vision) and ptosis (eyelid droop). While medical therapy is often used to treat generalized myasthenia gravis, it is not clear whether medications are effective in treating ocular symptoms. Other measures, such as eyeglasses with prisms, [...]

Myopia or Nearsightedness

Myopia is a refractive error where the eyeball is longer than normal. This causes the image to focus in front of the retina rather that on it.

Ocular Migraine

An ocular migraine is a type of migraine headache that is associated with visual disturbances in one eye. This type of migraine is not common, and is often diagnosed after other possible causes for the symptoms are ruled out.

Optic Neuritis

Learn more about the symptoms, causes, and treatment options of optic neuritis.

Pink Eye: A Complete Guide to Conjunctivitis

Pink eye, or Conjunctivitis, is a common eye ailment that has affected many of us. Learn which kinds are contagious and which ones are not.


Presbyopia occurs as we age. The lens of the eye is very soft and flexible and can focus on objects easily.

Ptosis or Droopy Eyelid

Droopy Eyelids, or in the medical world Ptosis, is a common condition among all ages. Though many people don't notice a drooping eyelid until they're older, the condition can be hereditary and begin in early stages of childhood. Sometimes referred to as lazy-eye, droopy eye is anything but an eyelid being lazy. In fact, corrective surgery should be done as soon as possible to correct the problem, and before it worsens or leads to other conditions and disorder.

Retinal Detachment

A condition where the retina detaches and is moved from its original position.

Retinal Vein Occlusion

Retinal vein occlusion is a condition of the eye that may cause eye pain and partial or total vision loss. These symptoms are caused by a blockage in the retinal vein. Find out more about causes and treatment.

Retinitis Pigmentosa

Although this eye disease is common among families, it’s not always related to hereditary factors. Learn more about the symptoms, causes, treatment options, complications and more of RP.


Retinoblastoma is a rare form of eye cancer that is typically diagnosed in small children, often under the age of two, and usually under the age of five.


There are many variations of strabismus, and adults who develop this condition are urged to seek treatment before permanent eye damage occurs. Learn more about the symptoms, risk factors, causes, treatment options, and more.

Surfer’s Eye (Pterygium)

The term Surfer’s Eye (also known as pterygium or pinguecula) refers to a benign but sometimes cosmetically undesirable growth on the conjunctiva (the outermost layer of tissue on the eye.


Trachoma can be treated. If developed, do not wait for treatment. Learn why here.

Understanding Low Vision

Low vision is the permanent loss of visual acuity or perception due to eye diseases or eye injuries.


Uveitis can affect almost anyone ranging from children to those in their 50's. Learn more about what you can do to treat this condition that can lead to blindness.


A xanthelasma is a yellowish deposit of fat and cholesterol found under the skin that’s around or on the eyelids. Xanthelasmata are not harmful, nor do they cause any pain, but most people do not care for the appearance of these yellow growths around the eyes and elect to have them removed. Xanthelasma is a [...]

“Baggy Eyes” — Blepharochalasis and Dermatochalasis

Blepharochalasis or Dermatochalasis can be the cause of severe "baggy eyes". Read more to learn about symptoms, causes and treatment for these two conditions.