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conjunctiv/o
conjunctiva (to join together)
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ocul/o
opthalm/o
opt/o
eye
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-opia
condition of vision
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blepharospasm
- involuntary contraction of the muscles surrounding the eye
- uncontrolled blinking and lid squeezing
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exophthalmos
abnormal protrusion of one or both eyeballs
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lacrimation
secretion of tears
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nystagmus
involuntary, rapid oscillating movement of the eyeball
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photophobia
extreme sensitivity and discomfort to light
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scotoma
blind spot in vision
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Refractive Errors
defects in the bending of light as it ebeters the eye-causing an improper focus on the retina
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astigmatism
oblong/cylindrical curvature of the lens, preventing a single focus of light on the retina
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presbyopia
impaired vision due to old-age & loss of accommodation
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accommodation
eyes ability to adjust to seeing near and far objects
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amblyopia
- decreased vision in early life due to a functional defect: starbismus, refractive errors or trauma.
- "lazy eye"
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aphakia
absence of a lens (possibly after a cataract extraction)
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blepharoptosis
ptosis
drooping of the eyelid, usually caused by paralysis
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chalazion
- chronic nodular inflammation of a meibomian gland.
- causes swelling of upper and lower eyelid
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cataract
opaque clouding of the lens causing decreased vision
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conjunctivitis
pinkeye; inflammation of the conjunctiva
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dacryoadenitis
inflammation of the lacrimal gland
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dacryocystitis
inflammation of the tear sac
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diabetic retinopathy
- disease of the retina from diabetes
- capillary leakage, bleeding, new vessel formation, leading to scarring and loss of vision
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ectropion
outward turning of the rim of the eyelid
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entropion
inward turning of the rim of the eyelid
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glaucoma
group of diseases that cause pressure in the eye, resulting in damage to the optic nerve & defects in vision
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hordeolum
sty; an acute infection of a sebaceous gland of the eyelid
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iritis
inflammation of the iris
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keratitis
inflammation of the cornea
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