Deck 16: Conditions of the Eye and Blindness

Question 1

____________________ is the ability to see images in the periphery of the visual field but not images in the center.

A) Binocular vision
B) Peripheral field of vision
C) Central field of vision
D) Color vision

Answer 1

C

Question 2

____________________ is a condition in which the there is a misalignment of the two eyes, so that they are not simultaneously oriented. They may be crossed inward or both eyes facing outward.

A) Nystagmus
B) Strabismus
C) Suppression amblyopia
D) Presbyopia

Answer 2

B

Question 3

You have been asked to work with and individual who has a diagnosis of retinitis pigmentosa. In working with him to establish his vocational potential, you would need to keep in mind that_____________.

A) retinitis pigmentosa is an hereditary, degenerative condition of the retina that causes slowly progressive loss of peripheral vision and, in many cases, blindness
B) he will have loss of his central field of vision
C) although the low vision from the condition can be a functional impairment, with appropriate corrective lenses, vision can be returned to nearly normal
D) retinitis pigmentosa can often be reversed with corrective surgery

Answer 3

A

Question 4

An individual has been working in a garment factory as an alteration and repair technician but has recently been unable to perform her duties because of clouding of vision. She was referred to an ophthalmologist who identified cataract formation in both eyes and has recommended surgery. The individual's employer has asked you to act as a consultant to determine vocational implications of the diagnosis. In evaluating the situation you determine that ___________________.

A) she will probably not be able to return to work since the surgery will remove only the source of discomfort she experiences, but will most probably leave her legally blind
B) significant job modification will be needed to accommodate the special equipment and adaptive devices she will need after the surgery in order to perform her job
C) she will probably be able to continue working as long as she wears corrective lenses, such as bifocals
D) she should receive vocational training in another area because even if surgery is successful, she has a progressive disorder that will eventually lead to total blindness

Question 5

You have just received the medical report from an individual's last visit to the ophthalmologist. The report states that he has a refractory error. In reading the report, you note that specifically he has hyperopia. In order to assist his functional capacity he would need ______________.

A) surgery
B) corrective lenses
C) a scope which he will need to focus on distant objects
D) to learn Braille

Question 6

Special needs of individuals who are legally blind or partially sighted are often overlooked because _________________.

A) there are no restrictions or functional limitations associated with their condition
B) these individuals are unable to assume their own self-care and consequently become totally dependent, rarely venturing outside the home, thus making case finding difficult
C) they do not fit into the category of either the blind or sighted population
D) many devices are available for individuals who are totally blind but few devices are available for those with only limited vision

Question 7

The degree of vocational impact of a visual disorder depends on ______________.

A) the amount of money available for adaptive devices needed
B) the educational level of the individual
C) whether the individual has a peripheral or central visual disorder
D) the nature of the employment, the type and extent of visual loss, and the life stage at which the visual loss occurs

Question 8

An individual has recently moved from his home to your state, where he has been referred to you for services. He is currently being treated for glaucoma. Obviously you will want to help him find a referral for continued follow-up of the glaucoma. The most appropriate professional to whom the referral for control of glaucoma should be made is an ______________.

A) optician
B) optometrist
C) ophthalmologist
D) obstetrician

Question 9

An individual complains to you that she has found it increasingly difficult to see well enough to do her needlepoint. She states there is no pain but she has noticed a blind spot in the center of her vision. What is the most likely diagnosis?

A) Glaucoma
B) Macular degeneration
C) Diabetic retinopathy
D) Age related vision loss

Question 10

An individual had a surgical procedure called scleral buckling. Which of the following conditions would this surgery be warranted?

A) Retinal detachment
B) Glaucoma
C) Retinitis pigmentosa
D) Keratitis

Question 11

John lost vision in both eyes when he was shot while engaging in gang war activities. He has been assigned to your caseload. One of the first referrals you intend to make for John is for orientation and mobility training. Specify the goal of orientation and mobility training.

Question 12

Ms. L. has lost her vision due to proliferative retinopathy. Although you realize that there are many practical skills, she will have to learn and confront many environmental issues in order to function independently; you will also realize that you will have to work with her in helping her to adapt, adjust, and function effectively in her social environment. List two social issues that Ms. L. needs to confront.

Question 13

Define legal blindness.

Question 14

List and describe types of mobility aids that may be used by individuals who are blind or partially sighted.

Question 15

Describe different types of assistive devices used for individuals with low vision or blindness.

Question 16

Explain and discuss the various treatments and management for visual loss. Discuss contraindications for surgical treatments.

Question 17

Describe and discuss the uses and availability of assistive devices and low-vision aids for the visually disabled and chronically ill individuals.

Question 18

Explain the differences between hard-copy Braille, soft-copy Braille, and refreshable Braille displays.

Question 19

Visual loss may be temporary, reversible, progressive, or permanent. Describe the various components of vision that may be affected.

Question 20

Discuss the condition of the opacities of the eye.