Vision & Vision Disorders

  1. what does ocular mean?
  2. What part of the eye does the opthalmologist care for?
    • the whole eye!
    • a specialty doctor
  3. What part of the eye does the optometrist care for?
    • non-medical doctor
    • tests eyes for defective vision only
    • prescribes corrective lenses only
  4. What part of the eye does the optician care for?
    • They don't care for the eyes.
    • they only read prescriptions and make the corrective lenses.
  5. What is binocular vision?
    using both eyes together
  6. What is braille?
    • A system of 6 embossed dots called cells
    • 3 dots length wise (up/down
    • 2 dots width wide (left/right)
  7. What is glaucoma?
    • eye disease
    • increased intra-ocular pressure
  8. Where is the iris, or what is it?
    • The circular colored membrane
    • behind the cornea
    • perforated by the pupil
  9. What are zonular fibers?
    • fibers that keep the lens of the eye in place
    • contraction and relaxation of the fibers allow accommodations of the lens
  10. What causes jaundice?
    excessive bilirubin in the blood.
  11. What are 2 signs of jaundice?
    • yellowing of the whites of the eyes
    • yellowing of skin
  12. What is myopia?
  13. What is nystagmus?
    continual rolling movement of the eyeballs.
  14. What is photophobia?
    abnormal intolerance to light
  15. What is astigmatism?
    • a defect in the curvature of the eye
    • results in blurry vision
  16. What is the retina?
    The photosensitive nerve layer of the eyes.
  17. What is retinitis pigmentosa?
    • Disease of retinal degeneration
    • progressive blindness
    • starts with night blindness in adolescence or adult life
  18. What is retinoblastoma?
    Tumor of the retina
  19. What is retrolental fibroplasia?
    eye disease of premature infants
  20. What is a snellen chart?
    visual screening chart used at schools in regular doctor's offices

    measures visual acuity at 20' from the chart
  21. What is strabismus?
    • lack of coordination of the eye muscles
    • characterized by squinting or crosseyedness
  22. What is tracking?
    the ability to pick out a word, letter, or group of words on a page
  23. What is visual association?
    organizing process where one is able to relate to concepts visually presented
  24. What is visual closure?
    can identify a visual stimulus from an incomplete visual presentation
  25. What is visual discrimination?
    ability to visually differeniate letters and words
  26. what are visual motor skills?
    • ability coordinate vision with body movements
    • to complete tasks
  27. what is visual perception?
    idenitification, organization, interpretation of visual data through the eyes
  28. What is visual sequential memory?
    ability to retain a sequence of what is seen
  29. What is figure ground perception?
    ability to distinguish a form or pattern against a distracting background.
Card Set
Vision & Vision Disorders
NBPTS exam sped cards