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Eye Disorders Learning Center

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When these structures malfunction, vision disorders occur. The key to treatment and resolution of these disorders is early detection through regular eye exams and prompt consultation with an ophthalmologist when problem...

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Lazy Eye
Amblyopia, or"lazy eye," is the loss of one eye''s ability to see details. It is the most common cause of vision problems in children.
Pterygium
A pterygium is a non-cancerous growth of the clear, thin tissue that lays over the white part of the eye( conjunctiva). One or both eyes may be involved.
Glaucoma
Glaucoma refers to a group of disorders that lead to damage to the optic nerve, the nerve that carries visual information from the eye to the brain.
Hyperopia
Farsightedness is difficulty seeing objects that are nearby.Farsightedness is the result of the visual image being focused behind the retina rather than directly on it.
Macular Degeneration
Macular degeneration is an eye disorder that makes it difficult to see fine details. The condition affects the macula, the part of the retina responsible for central vision.
Nearsightedness
Nearsightedness is when the eyes focus incorrectly, making distant objects appear blurred.A nearsighted person sees near objects clearly, while objects in the distance are blurred.
Presbyopia
Presbyopia is a condition in which the lens of the eye loses its ability to focus, making it difficult to see objects up close.The condition is associated with aging and gets worse over time.
Retinal Detachment
Retinal detachment is a separation of the light-sensitive membrane in the back of the eye(the retina) from its supporting layers.The retina is a transparent tissue in the back of the eye.
Strabismus
Strabismus is a disorder in which the eyes do not line up in the same direction when focusing. The condition is more commonly known as"crossed eyes.".
Uveitis
Uveitis is swelling and irritation of the uvea, the middle layer of the eye. The uvea provides most of the blood supply to the retina.
Cataract
A cataract is a cloudy area in the lens of the eye.This article focuses on cataracts in adults. For information on cataracts in children, see: Congenital cataracts.
Conjunctivitis (Pink Eye)
Conjunctivitis is swelling(inflammation) or infection of the membrane lining the eyelids( conjunctiva).The conjunctiva is exposed to bacteria and other irritants.
Retinal Vein Occlusion
Retinal vein occlusion refers to the closure of the central retinal vein that drains the retina or to that of one of its branches.
Dry Eye Syndrome
Dry eye syndrome is when the tear glands produce fewer tears.Keratitis sicca; Xerophthalmia; Keratoconjunctivitis sicca.Dry eye syndrome often occurs in people who are otherwise healthy.
Astigmatism
Astigmatism is an eye disorder in which the cornea(the clear tissue covering the front of the eye) is abnormally curved, causing out-of-focus vision.The cause of astigmatism is unknown.
Blepharitis
Blepharitis is an inflammation of the eyelash follicles, along the edge of the eyelid. The cause is overgrowth of the bacteria that is normally found on the skin.
Allergic Conjunctivitis
Allergic conjunctivitis is inflammation of the tissue lining the eyelids(conjuctiva) due to a reaction from allergy-causing substances such as pollen and dander.
Corneal Ulcer
A corneal ulcer is an erosion or open sore in the outer layer of the cornea. It is associated with infection.Bacterial keratitis; Fungal keratitis; Acanthamoeba keratitis; Herpes simplex keratitis.
Discitis
Diskitis is swelling(inflammation) and irritation of the space between the bones of the spine(intervertebral disk space).Diskitis is an uncommon condition.
Entropion
Entropion involves the turning in of the edges of the eyelid(usually the lower eyelid) so that the lashes rub against the eye surface.
Cross Eyes
Strabismus is a disorder in which the eyes do not line up in the same direction when focusing. The condition is more commonly known as"crossed eyes.".
Stye
Most bumps on the eyelid are styes. A stye is an inflamed oil gland on the edge of your eyelid, where the lash meets the lid.
Hyphema
Hyphema is usually caused by trauma to the eye. Other causes of bleeding in the front chamber of the eye include:.In some mild cases, no treatment is needed.
Scleritis
Scleritis is an inflammation of the sclera(the white outer wall of the eye).
Chalazion
A chalazion is a small bump in the eyelid caused by a blockage of a tiny oil gland.A chalazion develops in the glands that produce the fluid that lubricates the eye.
Corneal Abrasion
A corneal abrasion is a worn or scraped-off area of the outer, clear layer of the eye(cornea).The cornea is the clear, dome-shaped outer area of the eye.
Punctate Keratitis
Keratitis is an inflammation of the cornea, the transparent membrane that covers the colored part of the eye(iris) and pupil of the eye.There are many types and causes of keratitis.
Subconjunctival Hemorrhage
Subconjunctival hemorrhage is a bright red patch appearing in the white of the eye. This condition is also called red eye.
Hypertensive Retinopathy
Hypertensive retinopathy is damage to the back part of the eye( retina) caused by high blood pressure.High blood pressure can cause damage to blood vessels in the eyes.
Pinguecula
A pinguecula is a common, non-cancerous growth of the mucus membrane lining the eyeball and underside of the eyelids(conjunctiva).
Retinal Vascular Occlusion
Retinal artery occlusion is a blockage of the blood supply in the arteries to the retina-- the light-sensitive tissue in the back of the eye.
Acute Contagious Conjunctivitis
Conjunctivitis is swelling(inflammation) or infection of the membrane lining the eyelids( conjunctiva).The conjunctiva is exposed to bacteria and other irritants.
Diabetic Retinopathy
Diabetic retinopathy is damage to the eye''s retina that occurs with long-term diabetes.

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