Purple Module Eye
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| accommodation | Adjustment of the eye far various distances so that images fall on the retina.
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| achromatopsia | Severe congenital deficiency in colour perception - complete colour blindness.
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| amblyopia | Lazy eye syndrome
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| ametropia | Error in reflection causing poor focus.
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| antiglaucoma agents | Decrease aqueous humor production by constricting the pupil to open the angle between the iris and cornea.
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| astigmatism | Defective curvature of the cornea or lens.
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| blepharoptosis | Prolpase of the eyelid.
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| blepharoplasty | Surgical repair of the eyelid.
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| cataracts | Opacities on the lens or capsule that encloses the lens, causing loss of vision.
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| chalazion | Small hard tumor developing on the eyelid.
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| ciliary muscles | Muscles which relax/constrict to alter the shape of the lens, allowing rays to focus on the retina.
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| conjunctivitis | Inflammation of the conjunctiva producing red or pink eye.
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| convergence | Medical movement of both eyeballs so they are directed at the object.
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| corectasis | Dilation of the pupil.
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| cornea | The clear, transparent portion of the sclera - anterior to the lens.
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| cyclodialysis | Formation of an opening for draining of aqueous humor in glaucoma.
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| cloplegia | Agents which paralyse ciliary muscles, causing dilation of the pupils.
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| dacryocystography | Radiographic imaging procedures of the nasolacrimal (tear) glands and ducts.
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| dacryocystorhinostomy | Creation of an opening into the nose for draining of tears.
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| dacryorrhea | Flow of tears.
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| diopter | Measurement of refractive error.
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| ectropion | Eversion or outward turning of the edge of the lower eyelid.
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| electronystagmography | Assessing and recording eye movements with electrical activity of the extraocular muscles.
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| emmetropia | Correct vision.
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| entropion | Inversion or inward turning of the edge or the lower eyelid.
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| enucleation | Removal of the eyeball from the orbit.
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| epiphora | Abnormal overflow of tears.
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| esotropia (ST) | Inward turning of the eye.
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| exotropia (ET) | Outward turning of the eye.
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| evisceration | Protrusion of one or both eyeballs.
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| fluorescein angiography | Assesses blood vessels and their leakage in and under the retina after fluorescein dye injection.
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| glaucoma | Accumulation of aqueous humor in the eye.
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| gonioscopy | Examination of the angle of the anterior chamber to diagnose and manage glaucoma.
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| hordeolum | Swelling of one of the several sebaceous glands of the eyelid; also called a stye.
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| hyperopia | Farsightedness.
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| intracapsular extraction | A cold metal probe to remove cataracts.
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| iridectomy | Excision of the iris.
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| iritis | Inflammation of the iris.
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| keratocentesis | Surgical puncture of the cornea.
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| lacrimal | Pertaining to a tear.
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| metamorphopsia | Visual distortion of objects.
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| mydriatics | Drugs that disrupt parasympathetic nerve supply causing the pupil to dilate.
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| myringoplasty | Reconstruction of the ear drum.
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| nyctalopia | Impaired vision in dim light; night blindness.
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| nystagmus | Involuntary eye movements that may appear jerky and reduce vision.
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| opaque | Substance that does not allow the passage of light; not transparent.
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| ophthalmic decongestants | Constrict the small arterioles of the eye, decreasing redness and relieving conjunctival congestion.
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| ophthalmic moisturizers | Smoothe dry eyes due to environmental irritants and allergens.
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| ophthalmodynamometry | Visual examination of the interior of the eye with an ophthalmoscope. Has a light and adjustable lenses.
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| ophthalmoplegia | Paralysis of the eye.
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| Optometrist | One who specializes in eye measurements.
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| orthoptic training | Exercises to improve eye movements or visual tracking, using training, tinted or prism glasses.
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| otic analgesics | Provide temporary from relief from pain and inflammation associated with otic disorders.
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| papilledema | Edema and hyperemia on the optic disc usually associated with increased ICP; also chocked disc.
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| phacoemulsification | Treating cataracts by using ultrasonic waves to disintegrate the cloudy lens, then aspire and remove.
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| photophobia | Unusual intolerance & sensitivity to light.
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| photopigments | Light-sensitive pigment in the retinal cones and rods that absorbs light and initiates the visual process; also called visual pigment.
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| presbyopia | Form of farsightedness associated with aging.
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| radial deratotomy | Incision of the cornea for treatment of nearsightedness or astigmatism.
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| refractive | Ability to bend light rays as they pass from one medium to another.
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| retinitis pigmentosa | Chronic progressive disease of degeneration of the retina + atrophy of the optic nerve.
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| retinopathy | Any disorder of retinal blood vessels.
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| retinoscopy | Evaluation of refractive errors by projecting a light into the eyes to determine the movement of reflected light rays.
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| sclero | The white of the eye - a tough, fibrous tissue that serves as a protective shield.
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| sclerostomy | Surgical formation of an opening in the sclera.
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| strabismus | One eye is misaligned with the other or out of synchromy.
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| sty(e) | A localized circumscribed inflammation of the sebaceous gland of the eyelid.
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| tonometry | Evaluation of ICP by measuring the resistance (of the eyeball) of an applied force.
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| trachoma | Chronic, contagious form of conjunctivitis. Common in southwestern US - leads to blindness.
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| tuning fork test | Evaluate sound conduction, using a vibrating tuning fork.
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| visual acuity test | Determines the smallest letters that can be read on a standardized chart from 20 feet.
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| visual field | Area within which objects may be seen when the eye is in a fixed position.
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Created by:
Barbara Ross
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