AOTA Low Vision and Older Adults

Question 1

describe low vision impairment

Answer 1

best-correctedvisual acuity less than 6/12 in the better-seeing eye

Question 2

describe blindness

Answer 2

best-corrected visual acuity of 6/60 of worse in better-seeing eye

Question 3

describe best corrected vision

Answer 3

sharpest, cleanest vision attainable by the client, under best circumstances, using vision out of the bes tyee, with standard corretive lenses

Question 4

describe presbyopia

Answer 4

difficulty focusing on near objects

Question 5

describe central vision system

Answer 5

analyses visual target in terms of its details

Question 6

describe peripheral visual system

Answer 6

prvides background information about one’s position in relation to environment and is quick to detect motion

Question 7

describe cataracts and symptoms

Answer 7

lens of the eye becomes more opaque and a reduction of light going to the retina occurs

manifestations: reduced visual acuity, blurry vision, decreased abliity to distinguish colors, reduction in ability to drive at night, distorition of visual images, increased glare sensitivity

Question 8

describe ARMD and manifestations

Answer 8

reduced ability to perform ADLs/IADLs
decreased ability to recognize face and perform detail work
gradual loss of central vision

Question 9

describe glaucoma and manifestation

Answer 9

increased pressure in eyes that can lead to optic nerve damage.
decreased peripheral vision

Question 10

describe diabetic retinopathy and manifestations

Answer 10

blurry vision, reduction in contrast sensitivity, decrease in ability to drive at night, reduction in color discrimination, patchy sports of visual field loss and total blindness.

Question 11

how do you evaluate for low vision

Answer 11

gather background on clinet through reading medical records, occupational profile, use of interviews, questionnaires, and standardized or structured assessments

Question 12

describe assessments used for low vision

Answer 12

melbourne low vision adl index
COPM
near visual acuity - lighthouse near visual acuity test
far visual acuity - snellen e chart or tumbling e chart
peripheral - confrontation testing
central - amsler grid
pelli-robson contrast sensitivity chart - sensitivity

Question 13

what are some general interventions to use for low vision clients

Answer 13

recommend and train clients in use of nonoptimal devices to improve independence andf safety while performing ADLs and IADLs

instruct clients in use of contrast to improve visibility of certain objhects in the environment
inbstruct clients in reducing visual and physical cluttler
improve safety and ability of older adults by modifying environment
refer to vision specialist
use of optical devices
teach clients to maximize use of their remaining vision
use of other senses to compensate