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Ch. 14

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Term
Definition
Ophthalmology   Study of (the) eye (and related structures)  
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Optic   Pertaining to eye or vision  
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Diseases or conditions of the eyelids    
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Blepharitis   Infection or inflammation of the eyelid  
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Blepharoptosis   State of drooping eyelid  
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Ectropion   Condition of outward turning (of the eyelid)  
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Entropion   Condition of inward turning (of the eyelid)  
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Hordeolum   Red, painful swelling or a pimple containing pus on the eyelid -Another word for stye  
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Chalazion   A chronically inflamed and granular lump or semisolid cyst on the eyelid  
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Diseases or conditions of the lacrimal gland    
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Dacryocystitis   Infection or inflammation of a cyst on the lacrimal sac (of the eye)  
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Xerophthalmia   Condition of dry eyes  
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Diseases or conditions of the Conjunctiva, Sclera. & Cornea    
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Conjunctivitis   Infection or inflammation of the conjunctiva of the eye -Another name for Pinkeye  
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Exophthalmos   Pronounced outward bulge of the anterior surface of the eye with a startled, staring expression -Caused by hyperthyroidism  
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Diseases or conditions of the iris, pupil, & anterior chamber of the eye    
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Anisocoria   Condition of unequal pupils of the eye  
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Glaucoma   Mass (on the pupil of the eye) silver grey  
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Hyphema   Blood in the anterior chamber of the eye from trauma or glaucoma  
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Photophobia   Condition of fear of light  
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Iritis   Infection or inflammation of the iris of the eye  
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Diseases or conditions of the lens    
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Aphakia   Condition of not having a lens of the eye  
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Cataract   Clouding of the lens of the eye  
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Presbyopia   Condition of old age vision; loss of flexibility of the lens with blurry near vision and loss of accommodation caused by aging  
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Retinal detachment   Separation of the retina from the choroid layer beneath it  
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Diseases or conditions of the extraocular muscles    
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Nystagmus   Involuntary rhythmic motions of the eye, particularly when looking to the side  
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Strabismus   Deviation of one or both eye medially or laterally  
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Esotropia   Condition of inward turning (of the eye)  
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Exotropia   Condition of outward turning (of the eye)  
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Conditions of the Retina    
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Retinoblastoma   Cancerous tumor of the retina in children, arising from abnormal embryonic retinal cells  
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Refractive disorders of the eye    
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Astigmatism   Disease where the surface of the cornea is curved more steeply in one area, causing blurry vision both near and at a distance  
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Hyperopia   Condition (at a distance that is) more than normal vision; -Farsightedness; cant see up close objects  
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Myopia   Condition of near vision; -Nearsightedness; can't see objects at a distance  
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Conditions of the Visual Cortex in the brain    
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Amblyopia   Condition of dimness (because of suppression of) vision (in one eye)  
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Diplopia   Condition of double vision  
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Medical Procedures    
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Accommodation   Procedure to test the ability of the muscles in the ciliary body to contract and flex the lens  
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Gonioscopy   Procedure to look for blockage of the trabecular meshwork in open-angle glaucoma  
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Tonometry   Process of measuring pressure (of the eye) -Test completed for glaucoma  
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Blepharoplasty   Process of reshaping the eyelid by surgery  
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Cataract extraction   Procedure to remove a lens affected by a cataract  
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Keratoplasty   Process of reshaping the cornea of the eye by surgery  
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Keratectomy   Surgical removal of the cornea of the eye  
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Retinopexy   Procedure to reattach a detached retina  
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Drug Categories    
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Antibiotic ointment   Put on babies eyes when they are born to prevent them from getting gonorrhea  
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Mydriatic drugs   Medications that dilate the pupil to prepare the eye for an internal examination  
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Career Focus    
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Optician   Allied health prof. who use automated equipment to cut, grind, and finish lenses to exact specifications based on written prescriptions from an optometrist or ophthalmologist  
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Optometrist   Doctor of Optometry who diagnose and treat patients with vision problems and diseases of the eyes  
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Ophthalmologist   Physicians who diagnose and treat patients with vision problems, diseases of the eyes, and perform surgery on the eye  
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Abbreviations   OD- Right Eye O.D.- Doctor of Optometry OS- Left Eye OU-Both Eyes PERRLA- Pupils equal, round, reactive to light and accommodation  
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