The eye - Sym and Dia
Terms
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- misdirected eyelashes that rub on the conjuctiva or cornea
- trichiasis
- inflammation of the sclera
- scleritis
- right or left eye deviates away from the nose
- exotropia
- exo
- out
- tropo
- turning
- right or left eye deviates inward toward the nose
- esotropia
- eso
- inward
- crossed eyes; a condition of eye misalignment caused by intraocular muscle imbalance
- strabismus/heterotropia
- strabismus
- a squinting
- hetero
- other
- inflammation of the retina
- retinitis
- separation of the retina from the underlying epithelium, disrupting vision and resulting in blindness if not repaired surgically
- retinal detachment
- fibrous growth of conjuctival tissue that extend onto the cornea
- pterygium
- eye in which the natural lens is replaced with an artificial lens implant
- psuedophakia
- psuedo
- false
- breakdown or thinning of the tissues in the macula, resulting in partial or complete loss of central vision
- macular degeneration
- inflammation of the cornea
- keratitis
- inflammation of the iris
- iritis
- sty; an acute infection of a sebaceous gland of the eyelid
- hordeolum
- hordeum
- barley
- group of diseases of the eye characterized by increased intraocular pressure that results in damage to the optic nerve, producing defects in vision
- glaucoma
- abnormal overflow of tears caused by blockage of the lacrimal duct
- epiphora
- phor/o
- to carry or bear
- inward turning of the rim of the eyelid
- entropion
- outward turning of the rim of the eyelid
- ectroption
- trop/o
- turning
- disease of the retina in diabetics characterized by capillary leakage, bleeding, and new vessel formation (neovascularization), leading to scarring and loss of vision
- diabetic retinopathy
- inflammation of the tear sac
- dacryocystitis
- cyst/o
- sac
- inflammation of the lacrimal gland
- dacryoadenitis
- inflammation of the conjuctiva
- conjuctivitis (pink-eye)
- opaque clouding of the lens causing decreased vision
- cataract
- chronic nodular inflammation of a meibomian gland, usually the result of a blocked duct; commonly presents as a swelling on the upper or lower eyelid
- chalazeon
- chalaza
- hailstone
- eyestrain
- asthenopia
- asthenia
- weak condition
- involuntary contraction of the muscles surrounding the eye, causing uncontrolled blinking and lid squeezing
- blepharospasm
- double vision
- diplopia
- abnormal protrusion of one of both eyeballs
- exophthalmos/exophthalmus
- secretion of tears
- lacrimation
- involuntary, rapid oscillating movement of the eyeball
- nystagmus
- nystagmos
- a nodding
- extreme sensitivity to, and discomfort from, light
- photophobia
- blind spot in vision
- scotoma
- skotos
- darkness
- defects in the bending of light as it enter the eye, causing an improper focus on the retina
- refractive errors
- distortive vision caused by an oblong or cylindrical curvature of the lens or cornea that prevents light rays from coming to a single focus on the retina
- astigmatism
- stigma
- point
- difficulty seeing close objects when light rays extend beyond the proper focus on the retina
- hyperopia (farsightedness)
- difficulty seeing distant objects when light rays fall short of the proper focus on the retina
- myopia (nearsightedness)
- impaired vision owing to old-age loss of accommodation
- presbyopia
- ability of the eye to adjust focus on near objects
- accommodation
- decreased vision in early life due to a functional defect that can occur as a result of strabismus, refractive errors, or trauma, usually occurs in one eye, also known as lazy eye
- ambylopia
- ambyl/o
- dim
- absences of the lens, usually after cataract extraction
- aphakia
- inflammation of the eyelid
- blepharitis
- baggy eyelid; overabundance and loss of elasticity of skin on the upper eyelid, causing a fold of skin to hang down over the edge of the eyelid when the eyes are open
- blepharochalisis/dermatochalisis
- chalisis
- a slackening
- dropping of the eyelid usually caused by paralysis
- blepharoptosis/ptosis