1structure where light enters the eye
pupil
2structure that focuses the light
lens
3structures where photoreceptors turn light into electrical
retina
4electrical signals travel through ________________ to the brain. Then, brain processes signals.
optic nerve
5what are the ocular motions
elevation and depression
adduction and abduction
intorsion and extorsion (rolling your eyes)
6how many extraocular muscles are there
7 muscles
7what are the functions of the extraocular muscles
smooth and precise eye movement
eyelid opening
tracking and fixation
8what are the functions of the intraocular muscles
pupil accomodation
light adjustment
9Lateral visual field:
superior visual field:
inferior visual field:
lateral: 95
superior: 65
inferior: 75
10what is the OTs goal of in depth vision assessments
screen visual function
refer as needed
provide remediation, compensation, or adaptations for function
11what are some vision tests that OTs do
ocular mobility
visual field
convergence
12what are the occupational therapy vision interventions
Education
Color and contrast
Lighting and glare control
Fall prevention
Magnification
Organizational strategies
Sensory substitution- bump dots
Visual skills training
- Scanning
- Sensory- left neglect
13what are some common diagnoses that affect mastication and facial expression
cerebrovascular accident (CVA) (central nervous system)
bell's palsy (peripheral nervous system, facial nerve)
14organ system that works with the circulatory system
lymphatic system
15what are the primary functions of the lymphatic system
fluid balance
protection from infection
16white blood cells, protein, triglycerides, bacteria, water, oxygen, nutrients
formed from blood plasma exiting capillary blood vessels
lymphatic fluid
17reabsorbs interstitial fluid
prevents peripheral tissue fluid build up
lymphatic vessels
18filter lymphatic fluid
lymphocytes fight off infectious bodies
lymph nodes
19large lympathic vessesl that empty lymph into subclavian veins
lymphatic ducts
20what are the organs of the lymphatic system
thymus and spleen
21what is the functuion of the thymus
lymphocyte production
22what is the function of the spleen
filters blood
23swelling due to buildup of lymphatic fluid
- blockages, damage, or removal of lymph nodes or vessels
lymphedema
24where is lymphedema most common
UE or LE
can occur in face, neck, genitals
25what is the OTs job in lymphedema
manual lymph drainage
compression bandaging and garments
exercise and stretch
skin integrity
ADL and IADL training
mental health interventions