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Medical Terminology

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Refraction - ability of lens to bend the light rays to ... ametropia. myopia. hyperopia. presbyopia. astigmatism. myopia. hyperopia , Rogers State University ... – PowerPoint PPT presentation

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Title: Medical Terminology


1
Medical Terminology
  • Chapter 16
  • Special Senses

2
Structures of Eyes
  • Sclera
  • conjunctive
  • choroid
  • retina
  • cornea
  • lens
  • anterior cavity
  • aqueous humor

3
Structures of Eyes
  • Iris
  • pupil
  • vitreous chamger
  • vitreous humor
  • rods and cones
  • optic nerve
  • optic disc

4
  • Eyelids
  • canthus
  • epicanthus
  • Eyebrows/Eyelashes
  • cilia or eyelashes
  • Conjunctiva

canthus
sclera
5
Eyeball
Choroid coat
Iris
Pupil
Cornea
Lens
6
Eye Chambers
Retina
Ocular, Aqueous Humor
Vitreous Humor
Optic Nerve
7
Lacrimal Apparatus
  • Structures that produce, store, and remove tears
  • lacrimal glands
  • lacrimal fluid
  • lacrimation

8
Ears
  • auditory
  • audi/o and audit/o
  • acoustic
  • ot/o

9
Outer or External Ear
  • pinna or auricle
  • auditory canal
  • cerumen

10
Middle Ear
  • tympanic membrane
  • auditory bones
  • malleus
  • incus
  • stapes
  • eustacian tube
  • oval window

11
Inner Ear
  • cochlea
  • cochlear duct
  • organ of Corti
  • semicircular canals
  • equilibrium

12
Action of Eyes
  • Accommodation - process whereby the eyes make
    adjustments for seeing objects at various
    distances
  • constriction or dilation of pupil
  • changes in shape of lens
  • Refraction - ability of lens to bend the light
    rays to help them focus on the retina

13
Refractive Errors
  • ametropia
  • myopia
  • hyperopia
  • presbyopia
  • astigmatism

myopia
hyperopia
14
Cataract
  • Intracapsular extraction
  • cryoprobe
  • Extracapsular extraction

15
Glaucoma
  • Intraocular pressure
  • miotics
  • partial iridectomy
  • tonometer

16
Strabismus
  • Extropia
  • esotropia
  • amblyopia

17
End Lesson 13
  • Chapter 16
  • Special Senses
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