1 Flashcards
MODERATE vis. impairment - where it goes from near normal to actually impaired - what VA?
- severe impairment?
- profound impairment?
moderate: 20/70
severe: 20/200 (considered legally blind)
profound: 20/100 (affects mobility)
requirements of legal blindness? Can you only have one and still be legally blind?
can only have ONE and still be legally blind:
1) 20/200 or worse in better seeing eye
2) VF of 20 deg or less in better seeing eye
Define:
- impairment:
- disability:
- handicap:
impairment: abnormal anatomical structure or psychological or physiological dysfxn.
disability: Lacking the ability to perform an activity considered to be “normal” - as a result of an impairment
handicap: actual DISADVANTAGE of the individual that limits ability of an individual from what’s perceiving as normal in society - resulting from either an impairment OR a disability
Give some PATIENT characteristics that a primary low vision care (ANY doctor) should be able to service before referring (level 2):
VA 20/40-20/100, central loss d/t AMD
- no dense scotomas
- main goal: reading small text
- no psych issues
- no complex ADLs (activities of daily living)
Give some PATIENT characteristics that a comprehensive (secondary) low vision care (specialist) should be able to service:
-any level VA, dense scotomas, interference w/ ADLs, complex optical system needed, field enhancement.
Smartsight levels 1-3 are to be used in patients w/ VA
dont answer this….do it on the other card
3 basic questions in fxnal case Hx? {CCC}
- pt COMPLAINTS
- what CAN’T the patient do (that they could do before)?
- CONSEQUENCES of the dz?
three types/etiologies of LV:
1) congenital - usually have never had perfect vision
2) hereditary - nml @ young age, then lost (RP, stargardt’s)
3) acquired - 65+, trauma, amd etc. - MAJORITY
Smartsight levels 1-3 are for use in pts w/ VA
