Low Vision and Blindness Flashcards
What conditions mean someone is blind? 2
-A person’s visual acuity does not exceed
20/200 in the better eye with a
correcting lens
-whose visual acuity if better than
20/200 but central field of no greater
than 20 degrees.
-Two-thirds of legally blind people have
sight of various degrees
-In the United States and Canada, less
than 10% are totally blind (with no light
perception)
TRUE/FALSE
TRUE
Can a low vision impairment be corrected by medicine, surgery, or conventional aids?
No - it interferes with functional vision.
If someone is NOT legal blind they are okay and do not need help. TRUE/FALSE
FALSE - many people are visually impaired and need low vision rehabilitation.
When it is a recent onset of vision loss of is often the person advising the patient and how quickly should they be advised?
ophthalmologist - informed as early as possible once the
diagnosis has been made
When meeting a blind person what should you do (standard practice)? 5
-introduce yourself
-offer arm
-ask if they need help, dont assume
-explain the enviroment + locations
-kindness
What does it mean to be congenitally blind? 3
-no visual memory
-blind from birth
-explore through other senses
How should we help someone who is congentially blind?
-Early intervention by child development specialists who have
training in visual impairment
What is braille?
written communication - a system of raised dots
on paper read by touching them
with the ends of the fingers
What rehabilitation options help a blind person during life and help with independence?
- Career development and employment
- Vocations for the blind
- Vocational teaching
What available aids are thereto help the visually impaired and legally blind?
-Braille Watch
-Clocks
-Pinhole Disc
Review the aids and their specific details
