Pang low vision 1 Flashcards
(visual impairments/low income) leading cuase of uncorrected refractive errors
visual impairments
(cataracts/glaucoma) is the leading cause of blindness in middle and low income countries
cataracts
Age related macular degeneration
Diabetic retinopathy
Glaucoma
–all cuases of (viual impairment/blindness)
visual impairment
low vision is ____ vision not correctable by lglasses, contacts, medicineor surery
reduced
Reduced visual acuity (~20/70 and worse) Peripheral vision loss (constricted, hemianopsias) Scotomas Double vision Distortions Central vision loss Loss in contrast sensitivity Problems with depth perception Problems with visual perception Extreme light sensitivity --all of these a pt. is considered to be visually \_\_\_(impaired/blind)_
impaired
Anatomical changes caused by diseases of the eye
Does not necessarily affect a person’s function
-describes visual (impairment/disorder)
disorder
Reduced visual acuity, constricted peripheral field, contrast sensitivity loss, photophobia, central vision loss
–describes a visual (disorder/impairment)
impairment
visual (disorder/impairment) is a functional loss that results form a visual (impairment/disorder(
impairment ,disorder
Limitations in a person’s skills & abilities
Inability to: read, write, drive, self-care, travel, managing finances, seeing people’s faces, preparing meals, etc.
- describes visual (impairment/disability/handicap)
disability
Psychosocial and economic consequences of vision loss; as well as environmental barriers
Loss of independence or inability to work or social isolation or no street crosswalk or no wheelchair accessible restrooms
- describes visual (impairment/disability/handicap)
handicap
Best corrected visual acuity 20/200 or worse in the better eye (using Snellen acuity charts) or Peripheral Vision less than 20 degrees in the better eye
- describes (low vision/disability/legal blindness)
legal blindness
Best corrected visual acuity of 20/70 to LP
Less than 20 degrees of peripheral field
Who uses, or is potentially able to use, vision for the planning and/or execution of a task
- describes (low vision/disability/legal blindness)
low vision
(Blindness/low vision) is having no usable vision at all, also known as No Light Perception
blindness
T/F Vision loss and visual impairment: any type or degree of change in vision
T
legal blindness is alwasy an impairment affecting (both/one) eye or eyes
both eyes!!!!