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