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eye disorders

TermDefinition
amblyopia lazy eye, is a vision development disorder in which an eye fails to achieve normal visual acuity, even with prescription eyeglasses or contact lenses
cataract a clouding of the normally clear lens of your eye.
anopia anopia is a defect in the visual field. If the defect is only partial, then the portion of the field with the defect can be used to isolate the underlying cause.
diplopia double vision can occur with one eye or both.
enucleation the surgical removal of an eye.
exophthalmos is a medical term for a bulging or protruding eyeball or eyeballs. It's most often caused by thyroid eye disease.
eye floaters jelly-like material inside your eyes — becomes more liquid. When this happens, microscopic collagen fibers within the vitreous tend to clump together. These bits of debris cast tiny shadows onto your retina, and you perceive these shadows
glaucoma increased pressure can damage the optic nerve, which transmits images to your brain causing permanent vision loss
macular degeneration a medical condition which may result in blurred or no vision in the center of the visual field
ocular migraine rare condition characterized by temporary vision loss or even temporary blindness in one eye.thought to be caused by reduced blood flow or spasms of blood vessels in the retina or behind the eye.
nystagmus vision condition in which the eyes make repetitive, uncontrolled movements. These movements often result in reduced vision and depth perception and can affect balance and coordination.
presbyopia farsightedness caused by loss of elasticity of the lens of the eye, occurring typically in middle and old age.
ptosis drooping or falling of the upper eyelid. The drooping may be worse after being awake longer when the individual's muscles are tired.
detached retina a serious and sight-threatening event, occurring when the retina becomes separated from its underlying supportive tissue. The retina cannot function when these layers are detached. And unless the retina is reattached soon, permanent vision loss may result
strabismus one eye looks directly at the object you are viewing, while the other eye is misaligned inward (esotropia, "crossed eyes" or "cross-eyed"), outward (exotropia or "wall-eyed"), upward (hypertropia) or downward (hypotropia).
retinoblastoma a rare form of cancer that rapidly develops from the immature cells of a retina, the light-detecting tissue of the eye. It is the most common primary malignant intraocular cancer in children, and it is almost exclusively found in young children.
astigmatism common vision condition that causes blurred vision. It occurs when the cornea (the clear front cover of the eye) is irregularly shaped or sometimes because of the curvature of the lens inside the eye.
conjunctivitis inflammation or swelling of the conjunctiva. The conjunctiva is the thin transparent layer of tissue that lines the inner surface of the eyelid and covers the white part of the eye. ... A viral or bacterial infection can cause
myopia nearsightedness.
hyperopia Farsighted
emmetropia an eye that has no visual defects.
Created by: carrigersp