Chapter 17 v Identify Objectives locations and functions

Chapter 17 v Identify Objectives locations and functions of the major parts of the eye and ear. v Name the combining forms, prefixes, and suffixes most commonly used to describe these organs and their parts. v Describe the abnormal conditions that may affect the eye and ear. v Identify clinical procedures that pertain to ophthalmology and otology. v Apply your new knowledge to understanding medical terms in their proper contexts, such as medical reports and records. Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 1

Sense Organs: The Eye & The Ear Chapter 17 Pages 697 – 748 2

Pages 702 – 703 Vocabulary – The Eye v accommodation v cornea v optic v anterior v pupil v fovea chamber v aqueous centralis v fundus humor eye v refraction v retina v biconvex v iris v choroid v lens v ciliary v macula body of the nerve v rod v sclera v cone v optic chiasm v conjunctiva v optic disc v thalamus v vitreous Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. humor 3

Pages 704 – 705 Combining Forms Meaning aque/o blephar/o, palpebr/o Example water eyelid aqueous humor blepharitis, blepharoptosis, palpebral conjunctiv/o conjunctiva conjunctivitis cor/o, pupill/o pupil anisocoria, pupillary corne/o, kerat/o corneal abrasion, keratitis cycl/o ciliary body cycloplegic dacry/o, lacrim/o tears, tear duct dacryoadenitis, lacrimal, lacrimation Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 4

Pages 705 – 706 Combining Forms (cont’d) ir/o, irid/o ocul/o, ophthalm/o Meaning Example iris eye iritis, iridic, iridectomy intraocular, ophthalmologist, ophthalmic, ophthalmoplegia optic, optometrist, optician papilledema opt/o, optic/o eye, vision papill/o optic disc; nipple-like phac/o, phak/o lens of the eye phacoemulsification, aphakia Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 5

Pages 706 – 707 Combining Forms (cont’d) Meaning Example retin/o retina scler/o sclera (white of the eye); hard uvea glassy retinitis, hypertensive retinopathy corneoscleral, scleritis uve/o vitre/o uveitis vitreous humor Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 6

Page 707 Combining Forms (cont’d) ambly/o dipl/o glauc/o mi/o mydr/o nyct/o phot/o presby/o scot/o xer/o Meaning Example dull, dim double gray smaller, less widen, enlarge night light old age darkness dry amblyopia diplopia glaucoma miosis mydriasis nyctalopia photophobia presbyopia scotoma xerophthalmia Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 7

Page 708 Suffixes Meaning Example -opia, -opsia vision -tropia to turn hyperopia, hemianopsia esotropia,

Pages 710 – 711 Pathology: Eye v Cataract v Chalazion v Diabetic retinopathy v

Pages 712 – 713 Pathology: Eye (Cont’d) v Hordeolum v Macular (stye) degeneration v Nystagmus v Retinal detachment v Strabismus Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 11

Pages 710 – 713 Eyelid Abnormalities v Blepharitis v Dacryocystitis v Ectropion v Entropion

Page 714 Clinical Procedures: Diagnostic v fluorescein angiography v ophthalmoscopy v slit lamp microscopy

Page 715 Diagnostic (Cont’d) v visual acuity test v visual field test Copyright ©

Pages 716 – 718 Treatment enucleation v keratoplasty v laser photocoagulation v LASIK v phacoemulsification v scleral buckle v vitrectomy v Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 15

Page 718 Abbreviations – The Eye v ALT v OS v AMD v OU v HEENT v PERRLA v IOL v POAG v IOP v PRK v LASER v VA v LASIK v SLT v OD v VF Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 16

Page 721 Vocabulary – The Ear v auditory canal v auditory meatus v auditory nerve fibers v auditory tube v auricle v cerumen v cochlea v endolymph v eustachian tube v incus v labyrinth v malleus v organ of Corti v ossicle v oval window v perilymph v pinna v semicircular canals v stapes v tympanic membrane v vestibule Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 17

Pages 722 – 723 Combining Forms Meaning Example acous/o, audi/o, hearing audit/o aur/o, auricul/o, ear ot/o cochle/o mastoid/o myring/o, tyman/o acoustic, audiogram, audiologist, auditory aural, postauricular, otic, otomycosis, otopyorrhea, otolaryngologist cochlear mastoid process mastoiditis eardrum, myringotomy, tympanic myringitis, membrane tympanoplasty Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 18

Pages 722 – 723 Combining Forms (cont’d) Meaning ossicul/o salping/o staped/o vestibul/o Example ossiculoplasty Eustachian tubesalpingopharyngeal stapes vestibule stapedectomy vestibulocochlear Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 19

Page 723 Suffixes Meaning Example -acusis, -cusis hearing -meter instrument for measure ear condition hyperacusis, presbycusis audiometer -otia macrotia Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 20

Page 724 Pathology: Ear v acoustic neuroma v cholesteatoma v deafness v Ménière disease

Page 725 Pathology: Ear (cont’d) v otitis • media Myringotomy v otosclerosis v tinnitus

Page 726 Clinical Procedures v Audiometry v Cochlear v Ear implant thermometry v Otoscopy v Tuning fork test • Rinne • Weber Copyright © 2017, 2014, 2011, 2007 by Saunders, an imprint of Elsevier Inc. 23