Chapter 13 Flashcards Preview

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Flashcards in Chapter 13 Deck (25):
1

clouding of the eye lens
causes low vision

cataract

2

normal fluid pressure in eyes rises
causes vision loss or blindness
treated with eye drops, laser trabeculoplasty or surgery

glaucoma

3

secondary to diabetes
change in blood vessels of retina
most frequent cause of new cases of blindness in age 20 - 74

diabetic retinopathy

4

damage to central part of retina
wet or dry form
leading cause of blindness in US - 60yo & older
no trmt for dry form
wet form treated with laser surgery, photodynamic therapy & eye injections

age related macular degeneration (AMD)

5

80 % of what we perceive thru our senses

vision provides

6

uncorrectable visual acuity less than 20/60 in better eye or visual field of 20 degrees or less in better eye

low vision

7

low visions effects on ADLs

15 to 30 % higher dependence on others to perform

8

see table 13-1 pg 192 - definitions of low vision & blindness

see book

9

medical doctors who dx, treat, perform surgery & prescribe meds

ophthalomologists

10

Drs of optometry (ODs)
Treat refractive error with glasses, contacts & magnifiers

optometrists

11

provide in home training
modify environment

vision rehabilitation therapist

12

teach how to use:
canes
guide dogs
electronic equipment
public transportationorientation &

mobility specialist

13

"physical impairment" definition expanded to include low vision
- by Health Care Financing Administration

1990

14

Certified Low Vision Therapist (CLVT)

as of 2010 only 31 OTs with this certification

15

OT & OTA can get _______________ in Low Vision (SCLV)

Specialty Certification

16

OT intervention includes:

person
environment
occupation factors

17

Firtst improve visual efficiency skills
eccentric viewing and visual scanning

person

18

using undamaged area of retina
helpful for reading, writing & viewing faceseccentric viewing

using undamaged area of retina

19

eye movements designed to locate an item in the environment

visual scanning

20

closed circuit television (CCTV)
using high contrast
telescope
spectacles
magnifiers
- hand held
-standing

optic devices

21

talking scales, clocks & watches...
liquid indicators
tactile indicators

non optic devices

22

cover high glare surfaces with tablecloths
windows with sheer drapes

to reduce glare

23

32 - 33% cts. with AMD

meet criteria for major depressive disorder

24

attending to psychosocial needs

important part of OT services

25

1st - medicare part B
private insurance
state or nonprofit agencies

primary OT funding for low vision