Visual & Auditory Disorders

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Author:
starbucks229
ID:
141085
Filename:
Visual & Auditory Disorders
Updated:
2012-03-12 04:51:51
Tags:
anatomy
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Description:
Adult Health Key Terms
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  1. Astigmatism
    Etiology:

    Defect in the curvature of the eyeball
  2. Clinical Manifestations:
    Blurring of vision

  3. Audiometry
    Testing of hearing

  4. Cataract
    Etiology:

    Clouding of lens
  5. Clinical Manifestations:
    - Symptoms are painless

    - Blurred Vision

    - Difficult reading fine print

    - Diplopia ( Double Vision )

    - Photosensitivity

  6. Conjunctivitis
    • Etiology:
    • Inflammation of the conjunctiva


  7. Cryotherapy
    Etiology:

    A procedure in which a topical anesthetic is used so that a cryoprobe can be placed directly on the surface of the eye


  8. Diabetic Retinotherapy
    • Etiology:
    • Disorder of retinal blood vessels characterized by capillary microaneurysms, hemorrhage, exudates, and the formation of new vessels and connective tissue.
  9. Clinical Manifestations:
    In the advanced stages the pt has progressive vision loss and the presence of "floaters," which are minute products of hemorrhage.

  10. Enucleation
    Etiology:

    Surgical removal of eye ball

  11. Exophthalmos
    Etiology:

    An abnormal condition characterized by a marked protrusion of the eyeballs

  12. Glaucoma
    Etiology:

    -An abnormal condition of elevated pressure within an eye because of obstruction of the outflow of aqueous humor

    -Damage of the optic nerve
  13. Signs & Symptoms:
    - Note time of day eye pain occurs

    - Complaints of peripheral vision loss

    - Halos seen around lights

  14. Hyperopia
    Etiology:

    Farsightedness; Can only see far objects

  15. Keratitis
    Etiology:

    An inflammation of the cornea
  16. Signs & Symptoms
    - Eye Pain

    - Redness

    - Decreased Vision

    - Dry Eye Syndrome

    - Blepharitis ( inflammation of eyelids )
  17. Keratoplasty
    Etiology:

    Excision of the corneal tissue, followed by surgical implantation of a cornea from another human donor

  18. Labyrinthitis
    Etiology:

    Inflammation of the labyrinthine canals of the inner ear

  19. Mastoiditis
    Etiology:

    Infection of one of the mastoid bones

  20. Miotics
    Etiology:

    Causing constriction of the pupil of the eye

  21. Mydriatic
    • Etiology:
    • Causing pupillary dilation

  22. Myopia
    Etiology:

    Nearsightedness; Can only see near
  23. Myringotomy
    Etiology:

    A surgical incision of the tympanic membrane to relieve pressure and release purulent exudate from the middle ear
  24. Radial Keratotomy
    Etiology:

    Microscopic incisions on the surface of the cornea outside the optical area. These eight spokelike incisions flatten the cornea to a more normal curvature, thus reducing or eliminationg myopia ( nearsightedness )



  25. Retinal Detachment
    Etiology:

    Separation of the retina from the choroid in the posterior of the eye
  26. Signs & Symptoms:
    -Patient complainting of flashing lights unilaterally and floaters

    - Loss of a specific field of vision



  27. Sjogren Syndrome
    Etiology:

    Dry eye syndrome

  28. Snellen's Test
    Etiology:

    Eye chart test

  29. Stapedectomy:
    Etiology:

    The removal of the stapes of the middle ear and insertion of a graft and prosthesis ( a device, either external or implanted, that substitutes for orsupplements a missing or defective part of the body )

  30. Strabismus
    Etiology:

    Cross - Eyed

  31. Tinnitus
    Etiology:

    A subjective noise sensation in one or both ears; Ringing sound in the ear
  32. Tympanoplasty
    Etiology:

    One of several operative procedures on the eardrum or ossicles (a small bone) of the middle ear designed to restore or improve hearing in patients with conductive hearing loss


    Simple Def: Tympanoplasty is a surgery done to repair the eardrum and middle ear bones. The eardrum and bones are necessary to hear.

  33. Vertigo
    Etiology:

    The sensation that the outer world is revolving about oneself or that one is moving in space

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