Accommodative Dysfunction: A vision problem related to how your eyes focus that is not caused by aging.

Amblyopia: Also known as “lazy eye,” this is when you lack clear vision in one eye unrelated to any eye health issue. Neither eyeglasses nor contact lenses can completely correct this.

Astigmatism: An irregularly shaped cornea or the curvature of the lens causes this condition, which results in blurred vision.

Blepharitis: An infection in which the eyelids become red,  irritated and itchy with dandruff-like flakes on the eyelashes.

Cataract: A cloudy or opaque spot in the lens.

Color Vision Deficiency: This is an inability to either distinguish certain shades of color or see any colors at all.

Computer Vision Syndrome: An array of eye and vision troubles related to extended computer use.

Conjunctiva: The thin, clear membrane that covers the white part of the eye and also lines the inside of the eyelid.

Conjunctivitis: An irritation or infection of the conjunctiva.

Convergence Insufficiency: This is an eye problem characterized by the eyes wandering or drifting outward when doing close work.

Cornea: The clear front surface of the eye.

Corneal Abrasion: A cut or scratch on the cornea.

Dry Eye: A condition in which your eyes do not produce enough tears, leaving them too dry.

Floaters & Spots: Faint, shadowy images moving in your line of vision that are caused by tiny particles floating in the fluid inside of the eye.

Glaucoma: This eye disease damages the optic nerve over time and ultimately causes a loss of vision.

Hyperopia: Better known as “farsightedness,” this is when you can see far, but objects that are near are blurry.

Keratitis: An inflammation or infection of the cornea.

Keratoconus: A degenerative disorder that causes the cornea to thin and bulge. 

Macula: The center of the retina located at the back of the eye.

Macular Degeneration: Usually affecting older adults, this is an eye disease of the macula that causes vision loss in the center of your field of vision.

Myopia: Commonly known as “nearsightedness,” objects that are near you can see while objects farther away are blurry.

Nystagmus: The eyes make repetitive, uncontrolled movements with this condition, which affects vision.

Ocular Allergies: Eye sensitivity to allergens and other irritating substances.

Ocular Hypertension: High pressure inside the eye yet without noticeable changes in vision or to the eye itself.

Ocular Migraine: Also known as a “migraine with aura,” this severe headache includes visual symptoms such as a temporary loss of vision.

Pinquecula: An abnormal growth of tissue on the conjunctiva close to the edge of the cornea.

Presbyopia: The age-related gradual loss of the eye’s ability to clearly see objects that are near.

Pterygium: An abnormal growth of tissue on the conjunctiva that invades the cornea.

Ptosis: A drooping or falling of the upper eyelid.

Retina: The light-sensitive lining at the back of the eye.

Retinal Detachment: A tearing or separation of the retina from the tissue supporting it.

Retinitis Pigmentosa: A collection of inherited conditions that cause poor night vision and progressive side vision loss.

Strabismus: Also known as “crossed eyes,” it is when the eyes cannot look at the same place at the same time.

Subconjunctival Hemorrhage: An accumulation of blood underneath the conjunctiva from broken blood vessels.

Uvea: The middle layer of the eye.

Uveitis: An inflammation of the uvea.

 

SOURCE:  American Optometric Association

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