Eye Diseases and Conditions

Learn the meaning of Adie's pupil.

Learn the definition of allergen.

Learn the definition of achromatopsia.

An inflammation of the conjunctiva of the eye due to an allergen.

Learn the definition of anterior ischemic optic neuropathy (AION).

Learn the definition of atificial tears.

Asthenopia is a collection of symptoms that causes eye fatigue or tiredness.

As a treatment for amblyopia, atropine drops work by temporarily blurring vision, forcing the weaker eye to be used.

Learn the definition of bandage contact lens.

Behcet's disease often affects the eye.

Learn the definition of blepharitis.

Newborn babies sometimes have blocked tear ducts.

Learn the definition of cataract.

Learn the definition of chalazion.

Choroidal melanoma is a cancer of the eye that develops in a part of the eye called the choroid. Learn the full definition of choroidal melanoma.

Learn the definition of color blindness.

Cone-rod dystrophy (CRD) is a progressive retinal degenerative disease that sometimes leads to blindness.

Learn the definition of congenital cataract.

A corneal ulcer is an opening, sore or erosion in the cornea that may cause blindness if severe and left untreated.

Learn the definition of dacryocystitis.

Learn the definition of diabetic retinopathy.

Diplopia is double vision.

Learn the definition of distchiasis.

Drusen are small yellow deposits that form under the retina.

Learn the definition of endophthalmitis.

Learn the definition of epidemic keratoconjunctivitis.

Eye allergies can produce many annoying symptoms, including itchy, red eyes.

Eyelid margin disease is a constant inflammation of the eyelids.

Exophthalmos is a condition characterized by bulging of the eyes.

Face blindness (or prosopagnosia) is a disorder that makes someone unable to recognize faces.

Small particles that move in the vitreous, the substance that fills the cavity of the eye.

Learn the definition of floppy eyelid syndrome.

Learn the definition of Fuchs' Dystrophy.

A disease of the optic nerve in which vision is lost usually due to increased pressure inside the eye.

Learn the definition of granulated eyelids.

A disease of the retina and retinal blood vessels that occurs because of uncontrolled high blood pressure.

Learn the definition of intraocular lens, or IOL.

Keratoconus can cause significant distortion of vision.

Learn the definition of Latisse.

Low vision is vision loss that cannot be corrected, resulting in limited sight ability.

Learn the definition of macular degeneration.

Learn the definition of macular edema.

An involuntary eyelid muscle contraction, typically involving the lower eyelid, less often the upper eyelid.

Learn the definition of nocturnal lagophthalmos.

Learn the definition of ophthalmic migraine.

Learn the definition of optic neuritis.

Learn the definition of papilledema.

Learn the definition of phacoemulsification, a cataract surgery option.

Learn the definition of pharyngoconjunctival fever.

A phosphene is a phenomenon of seeing light without light actually entering the eye.

A burn of the cornea (the clear front surface of the eye) by ultraviolet rays.

Learn the definition of photophobia.

A common, non-cancerous growth of the mucous membrane lining the eyeball and underside of the eyelids (conjunctiva).

Learn the definition of pseudomembrane.

A non-cancerous, wedge-shaped growth of the clear, thin tissue that lays over the white part of the eye (conjunctiva).

Red eye may be caused by many things.

An eye disease in which there is damage to the retina. The damage worsens over time. People with this condition have problems with night vision and peripheral vision.

Learn the definition of retinoblastoma.

Learn the definition of sarcoidosis.

Learn the definition of scatter laser treatment.

Learn the definition of scleromalacia perforans.

Learn the definition of "second sight."

A subconjunctival hemorrhage is a broken blood vessel in the eye.

Toxic amblyopia is reduction in visual acuity believed to be due to a toxic reaction in the orbital portion of the optic nerve. It is caused by multiple toxic and nutritional factors and probably other unknown factors.

Learn the definition of trachoma, an infectious eye disease.

Learn the definition of trichiasis.

Learn the definition of vasoconstrictor.

Vernal conjunctivitis is a seasonal inflammation of the outer lining of the eyes.

Learn the definition of vitrectomy.

Learn the definition of Yag laser posterior capsulotomy.

Learn the definition of peripheral iridotomy.

Learn the definition of narrow angle glaucoma.

Learn the definition of ocular hypertension.

Learn the definition of neovascular glaucoma.

Learn the definition of choroidal effusion.

Learn the definition of choroidal neovascular macular degeneration.