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Ch. 12

TermDefinition
Accessible Pedestrian Signals Crosswalk signals with sound/vibration. Aqueous Humor
Aqueous humor Fluid in front of the eye.
Astigmatism Fluid in front of the eye.
Braille notetakers Tech for reading/writing braille.
Cataracts Cloudy lens causing blurry vision.
Cognitive Mapping Mental map of your environment.
Cornea Front eye layer that focuses light.
Cortical Visual impairment (CVI) Vision problem from the brain.
Curriculum Based Measurement (CBM) Fast progress checks in school.
Descriptive Video Service Audio explaining what’s happening on screen.
Diabetic retinopathy Vision loss from diabetes.
Echolocation Using sound to sense surroundings.
Expanded Core Curriculum (ECC) Extra life and independence skills.
Functional vision assessment How vision works in real life.
Glaucoma Eye pressure causing vision loss.
Hyperopia Trouble seeing things up close.
Iris Colored part controlling light.
Itinerant Teacher Service Traveling support teacher.
Large-print books Books with big text.
Legally Blind Very limited vision by law.
Lens Eye part that focuses images.
Long Cane Cane used for safe movement.
Low Vision Limited but usable vision.
Magnifying devices Tools that enlarge things.
Myopia Trouble seeing far away.
NFB-Newsline Audio/braille news.
Night blindness Trouble seeing at night.
Nystagmus Eyes move uncontrollably.
Obstacle Sense Sensing objects without touching.
Optic nerve Sends vision info to brain.
Optic nerve hypoplasia (ONH) Optic nerve didn’t fully develop.
Orientation and mobility (O&M) Moving safely and knowing location.
Phonological Awareness Awareness of word sounds.
Pupil Hole that lets in light.
Refraction Light bending.
Retina Light-sensing layer.
Retinitis Pigmentosa Gradual vision loss.
Retinopathy of Prematurity (ROP) Vision issue in premature babies.
Snellen chart Eye test chart.
Stereotypic Behaviors Repetitive movements.
Strabismus Misaligned eyes.
Tunnel Vision Only central vision.
Unified English Braile (UEB) Standard braille.
Visual acuity Clarity of vision.
Vitreous humor Gel inside eye.
Created by: Jarcher1
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