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Chapter 12
| Question | Answer |
|---|---|
| Legally blind | Has a visual acuity of 20 out of 200 or less in a better eye even with correction or has a field of vision so narrow that it's widest diameter subtends an angular distance no greater than 20°. |
| Low vision | According to legal classification system, person who have low vision have visual acuity falling between 20 out of 70 and 20 out of 200 and the better eye with correction |
| Braille | A system of raised dots by which people who are blind read with their fingertips |
| cornea | which performs the major part of the bending of the light rays so that the image will be focused |
| Aqueous humor | A watery substance between the cornea and lens of the eye |
| Pupil | The contractile opening in the middle of the iris |
| Iris | The colored portion of the eye that contracts or expands, depending on the amount of the light striking |
| Retina | The back portion of the eye, containing nerve fibers connected to the optic nerve |
| Optic Nerve | Carries the information back to the brain. |
| Visual Acuity | Most often measured with the Snelling chart, which consist of rows of letters. |
| Snelling chart | Snelling chart consists of rose of letters. |
| Functional vision assessment | Involves observing the students interacting in different environments, under different lighting conditions to see how well the student can identify object and performed various tasks. |
| Refraction | Refers to the bending of the light raise as they passed through the various structures of the eye. |
| Myopia | Nearsightedness. |
| Hyperopia | Farsightedness |
| Astigmatism | Blurred vision. |
| Glaucoma | A group of eye diseases that caused damage to the optic nerve. |
| Optic nerve | Usually caused by excessive pressure of fluid in the eye. |
| Cataracts | Caused by a clouding of the lens of the eye, which results in blurred vision. |
| Diabetic Retinopathy | A condition that results from interference with the blood supply to the retina. |
| Retinitis pigmentosa | This fucker hereditary condition that results in degeneration of the retina. |
| Night blindness | Night blindness affects one's ability to see in low light. |
| Strabismus | A condition in which one or both eyes are directed inward or outward |
| Nystagmus | Air condition in which rapid involuntary movements of the eyes occur, usually resulting in dizziness and nausea. |
| Orientation and mobility | Skills referred to the ability to have a sense of where one is in relation to other people, objects, and landmarks and to move through the environment. |
| Cognitive mapping | Why the fuck they hire on people who are blind can learn to make mental representations of their environment, referred to as cognitive mapping. |
| Obstacle sense | Some individuals who are blind, when walking along the street, seem able to sense objects in their path. |
| Stereotypic behaviors | And impediment to good social adjustment for some students with visual impairment |
| Expanded core curriculum | Students with blindness or low vision has been guided by what authorities have referred to as expanded core curriculum. |
| Tactile maps | Imbossed representations of the environment |
| Large print books | A visual method of aiding children with visual impairments |
| Long Kane | Much longer than the canes typically used for support or balance. |
| Itinerary teacher service | We're in a vision teacher visits several different schools to work with students and their general education classrooms, is the most popular placement for student for visual impairment. |
Created by:
parkerpenrod