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...
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.
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 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 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 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 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.
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 is swelling(inflammation) or infection of the membrane lining the eyelids( conjunctiva).The conjunctiva is exposed to bacteria and other irritants.
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 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 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 is inflammation of the tissue lining the eyelids(conjuctiva) due to a reaction from allergy-causing substances such as pollen and dander.
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.
Diskitis is swelling(inflammation) and irritation of the space between the bones of the spine(intervertebral disk space).Diskitis is an uncommon condition.
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.
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.
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.
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.
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.
Conjunctivitis is swelling(inflammation) or infection of the membrane lining the eyelids( conjunctiva).The conjunctiva is exposed to bacteria and other irritants.