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Week 15-16 Overview. Project Due Chapter 15 pages 466-489-lecture and review of pages 127-135 oral practice, medications review, review for final, oral practice and Homework. SPECIAL SENSES. The Eye/Parts of the Eye. Sclera- sclero- the white of the eye- outer covering of the eye

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Week 15 16 overview
Week 15-16 Overview

  • Project Due

  • Chapter 15 pages 466-489-lecture and review of pages 127-135 oral practice, medications review, review for final, oral practice and Homework



The eye parts of the eye
The Eye/Parts of the Eye

  • Sclera- sclero- the white of the eye- outer covering of the eye

  • Choroid- choroido- Vascular layer- middle layer-of the eye lying between the retina and the sclera

  • Retina- inner lining of the eye, light-sensitive tissue at the back of the eye that transmits visual impulses via the optic nerve to the brain

  • Cornea- kerato- The clear part of the eye located in front of the iris. Part of the eye’s protective covering



  • Iris- irido- a muscle that allows light rays in and it determines the color of the eye

  • Pupil- a hole

  • Lens-located behind the iris, helps light focus onto the retina

  • Ciliary muscles- the muscle that helps the lens to change shape

  • Vitreous humor-transparent mass of gel that lies behind the lens and in front of the retina. It fills the center of the eye

  • Optic nerve- nerve in the back of the eye that carries visual images to the brain

  • Optic disc- blind spot- the area where the optic nerve connects to the retina

  • Muscles- allows movement of the eye


  • Eye lids- blepharo determines the color of the eye

    • Lacrimal glands- dacryo

    • Lacrimal canliculi


Disorders pathology of the eye
Disorders/Pathology of the Eye determines the color of the eye

  • Errors of refraction

    • Myopia- nearsightedness

    • Hyperopia- farsightedness

    • Astigmatism- the light rays are bent unequally causing blurred vision


  • Cataracts- determines the color of the eye

  • A clouding of the lens

  • Glaucoma

  • A build up of pressure from aqueous humor

  • Strabismus- lazy eye; The muscle is weak


More pathology
More Pathology determines the color of the eye

  • Conjunctivitis- inflammation of the lining of the eye- pinkeye

  • Achromatopsia- color blindness

  • Presbyopia- old age vision

  • Nyctalopia- night vision


Procedures
Procedures determines the color of the eye

  • Visual acuity test- Snellen Chart

  • Tests vision

  • Evisceration

  • Partial or all removal of an eye

  • Retinoscopy

    Visual examination of the retina

  • Gonioscopy

    Visually examining for pressure


The ear
The Ear determines the color of the eye


Major sections
Major Sections determines the color of the eye

  • External

    • Auricle or Pinna

    • Ear Canal

    • Tympanum


Middle ear
Middle Ear determines the color of the eye

  • Tympanic Cavity

    • Malleus- hammer

    • Incus- anvil

    • Stapes- stirrup

    • Eustachian Tube


Inner ear
Inner Ear determines the color of the eye

  • Labyrinth

    • Oval window-

    • Cochlea-

    • Semicircular canals

    • Vestibule

    • Auditory nerve


Disorders of the ear
Disorders of the Ear determines the color of the eye

  • Otitis Media

  • Inflammation of the middle ear

  • Otosclerosis

  • Hardening of the ossicles (bones)

  • Meniere’s Disease

  • A balance disorder of the inner ear, causing pressure in one or both ears, hearing loss, tinnitus (ringing in the ears), nausea and vomiting, nystagmus (uncontrolled jerky eye movements)

  • Vertigo-

  • Abnormal sensation of movement


Procedures1
Procedures determines the color of the eye

  • Otoscopy

  • Audiometry

  • Myringotomy

  • otoplasty


Abbreviations
Abbreviations determines the color of the eye

  • AD- right ear OD- right eye

  • AS-left ear OS- left eye

  • ENT- ears nose OU- both eyes

  • and throat

  • EOM- extra ocular REM- rapid eye

  • movement movement


Medications
Medications determines the color of the eye

  • Antibiotics- anti-infectives

  • Miotics/cholinergics- constrict

  • Mydriatics- dilate

  • Saline solution- moisten


  • SPECIAL SENSES: THE EYES AND EARS ELEMENTS determines the color of the eye

  • (use with your textbook for CD-Rom)

  • ElementsMeaning

  • aden/o gland

  • aque/o, hydr/o water

  • ambly/o dim, dull

  • audi/o hearing

  • blephar/o eyelid

  • choroid/o choroid

  • conjunctiv/o conjunctiva

  • dacry/o tear, lacrimal

  • dipl/o double

  • irid/o iris

  • kerat/o cornea


  • ELEMENT MEANING determines the color of the eye

  • myc/o fungus

  • myring/o, tympan/o tympanic membrane

  • ocul/o, ophthalm/o, opt/o eye

  • ot/o ear

  • presby/o old age

  • py/o pus

  • retin/o retina

  • salping/o eustachian tube or fallopian tube

  • sclera/o hardening, sclera (white of the eye)

  • xanth/o yellow

  • -cusia hearing

  • -ectomy excision, removal

  • -edema swelling

  • -ia noun ending

  • -itis inflammation

  • -malacia softening


  • ELEMENT MEANING determines the color of the eye

  • -opia, -opsia vision

  • -pathy disease

  • -ptosis prolapse, falling, dropping

  • -rrhaphy suture

  • -rrhexis rupture

  • -spasm involuntary contraction, twitching

  • -stenosis stricture, narrowing

  • -tomy incision, cut into

  • -tropia turning

  • -extra outside

  • hyper- excessive

  • intra- within



Review for the final pages 137 140

Review for the Final determines the color of the eye

Pages 137-140


Homework
Homework determines the color of the eye

  • Study for Final Exam


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