Intro to Low vision rehab Flashcards
Uncorrected refractive errors are the leading cause of:
visual impairment
Cataracts are the leading cause of_____in middle and and low in income countries
blindness
What are the leading causes of visual impairment
- Age related macular degeneration
- diabetic retinopathy
- Glaucoma
Low vision is ____ ____ not correctable by glasses, contacts, medicine or surgery
reduced vision
What are some of the things that cause visual impairment
- reduced VA
- visual field loss
- photophobia
- diplopia
- visual distortion
- visual perceptual difficulties
Who is considered visually impaired?
- Reduced VA of 20/70 or worse
- peripheral vision loss
- scotomas
- double vision
- distortions
- central vision loss
- loss in contrast sensitivity
- problems with depth perception
- problems with visual perception
- extreme light sensitivity
Visual disorder is anatomical changes caused by ___of the eye and does not affect a persons ____
diseases; function
Visual impairment is a functional ___loss that results from a visual disorder.
loss
Visual disability refers to a persons limitations in a persons ___ and ____
skills and abilities
What are examples of visual disability
inability to read, write, drive, self care, travel, managing finaces, seeing peoples faces preparing meals, etc
_____ and availability of _____ ____ may play a role in peoples ability to reach their goals and overcome and disability in spite of their visual impairment
motivation; optical devices
Visual handicap refers to ____ and ____consequences of vision loss; as well as environmental barriers.
psychosocial; economic
Legal blindess is defined as best corrected VA of _____ or worse in the ____eye or Peripheral vision less than ___degrees in the better eye.
20/200; 20
Low vision is generally considered best corrected VA of ____ or less than ___degrees of peripheral field
20/70; 20
Blindness is referred to as having no_____vision at all, which is also known as No ____ _____.
usable; light perception
Vision loss and visual impairment refers to any type of degree of ___ ___ ___
change in vision; continuum
Legal blindess is NOT complete ____
blindness
Legal blindess is an impairment affecting ____eyes
BOTH
Legal blindness in an impairment with ____correction
BEST
What are some congenital conditions that can cause someone to become visually impaired
prenatal, perinatal, postnatal injuries or infection, premature birth, optic nerve damage, etc
What are some genetic conditions that cause someone to become visually impaired
tumors, stargardt disease, retinitis pigmentosa, oculocutaneous albinism, aniridia
What are acquired conditions that can cause someone to become visually impaired
hemianopias, traumatic brain injuries, age related macular degeneration, cataracts, diabetic retinopathy
What are some risk factors for falls in the elderly
- polypharmacy (taking 4/more meds)
- muscle weakness
- age
- disease
- prior fall history
- visual impairment
Low vision rehab teaches patients to use their ____vision and other ____effectively and efficiently by modifying activities that have become difficult due to vision loss.
remaining; senses
Low vision rehab restores vision to a state of ___function for daily activities through optical devices, training and guidance so patients can stay ____, ____ and ____
useful; safe; active; independent
Low vision rehab does NOT ____impaired vision
restore
Low vision rehab improves patients:
health related quality of life, self esteem, mental health, visual reading ability, overall visual ability, reudece dependence on others
WHat does the multidisciplinary team of low vision rehab consist of:
- low vision optemetrist/optham
- occupational therapist
- orientation and mobility instructor
- vision rehabilitation therapist or low vision therapist
- social worker
- mental health provider
- vocational rehab counselor
- optometric technican/support staff
Team interactions with other health care providers include:
- OD’s MD’s
- primary care physicians
- geriatricians
- endocrinilogist: diabetes
- pharmacists
What is the primary care optometrists role in LV rehab
- conduct a comprehensive eye exam
- conduct a low vision exam
- attain goals and needs of the ind
- evaluate eye disorder and how it affects functional ability to perform tasks
- make recommendations to OT, vision rehab thereapist or mobility instructor for eval and training
what are the components of a low vision exam
- detailed case history
- functional vision evaluation
- extensive trial-frame refraction
- optical device/adaptive technology eval
- ocular health exam
- rx of glasses, optical devices, adaptive technology, absorptive filters, non optical aids and rehab techniques.
What are outcomes of LV rehab
- maintain productive members of society
- remain as safe and active as possible
- inc personal independence
- provide knowledge skills and optical devices to perform specific activities
- dec the amount of gov support needed
- dec the amount of family/caregiver support needed
- improves quality of life
