Posts
(Department of Home and Health Sciences)
Course: Low Vision (480) Semester: Autumn, 2010
Level: B. Sc. Credit: Half
CONTENT LIST
Dear Student,
You will find the following material in your study packet.
1. Study Guide (Unit 1-9)
2. Theory Assignments (1-2)
3. Practical Assignment (01)
4. Assignments forms (03 Sets)
5. Schedule for submitting assignments, practical and tutorial meetings.
6. A book of Management of Low Vision. (As allied materials)
Note: - If any one item from the above-mentioned content list is missing from your study packet, kindly contact:
Mailing Officer
Mailing Section
Services and Operational Block
Allama Iqbal Open University
Sector H-8 Islamabad
Ph. 051-9057611–12
ALLAMA IQBAL OPEN UNIVERSITY , ISLAMABAD
(Department of Home and Health Sciences)
1. PLAGIARISM OR HIRING OF GHOST WRITER(S) FOR SOLVING THE ASSIGNMENT(S) WILL DEBAR THE STUDENT FROM AWARD OF DEGREE/CERTIFICATE, IF FOUND AT ANY STAGE.
2. SUBMITTING ASSIGNMENTS BORROWED OR STOLEN FROM OTHER(S) AS ONE’S OWN WILL BE PENALIZED AS DEFINED IN “AIOU PLAGIARISM POLICY”.
Course: Low vision (480) Semester: Autumn, 2010
Level: B.Sc. Total Marks: 100
Pass Marks: 40
ASSIGNMENT No. 1
PART-A (Marks: 25)
Mark as True or False. (25)
1. Regarding global prevalence:
a) There are approximately 150 million worldwide with low vision.
b) Approximately 90% live in the developing countries.
c) Most of the people with low vision are older persons.
d) The prevalence of low vision in developed countries is less than 1%.
e) Prevalence of low vision is very high in children.
2. Vision assessment equipment for secondary level clinic requires:
a) Distance log MAR test/Fein bloom test.
b) Pediatric test LEA symbols & LEA numbers for matching & pointing.
c) Near vision test 1E, number.
d) Contrast sensitivity test LEA screener.
e) Snallen chart.
3. The causes of low vision include:
a) Corneal damage.
b) Glaucoma.
c) Retinitis pigmentosa.
d) Diabetic retinopathy.
e) None of the above.
4. Regarding visual field:
a) The visual field test helps to evaluate central scotoma’s mid, long & peripheral constrictions.
b) VF is important for orientation and mobility.
c) The most rarely test is the confrontation test.
d) Bernell’s perimetry does not provide an accurate evaluation of VF.
e) Above all are true.
5. Regarding magnification:
a) Magnification is the relative increase in the size of the image of an object when it passes through a medium.
b) The basic design of all telescopes & magnifiers is based on the principle of magnification.
c) In low vision we are not interested in linear magnification.
d) Linear magnification is the ratio of the image size to the object size.
e) Above all are true.
PART-B (Marks: 75)
Q.1 Define low vision. Enlist the equipment/devices for tertiary, Secondary & Primary level clinic. (15)
Q.2 Enlist the sign, symptoms & causes of low vision in detail. (15)
Q.3 Explain the methods of visual acuity assessment of elderly & younger low vision patients. (15)
Q.4 What are the different types of magnifications? How you prescribe low vision device. (15)
Q.5 How to measure equivalent viewing power & distance, also calculate EVD for different optical systems. (15)
ASSIGNMENT No. 2
Total Marks: 100 Pass Marks: 40
PART-A (Marks: 25)
Mark as True or False. (25)
1. Devices for lighting include:
a) Adjustable table lamp.
b) Adjustable wall lamps (Bracket lamp)
c) Adjustable clip lamps.
d) Halogen lamps.
e) None of the above.
2. Optical devices for low vision people include:
a) Magnifiers.
b) Telescopes.
c) Contact lenses.
d) Field expanders.
e) None of the above.
3. Regarding standard magnifiers:
a) Wide range of magnification 2x to 10x.
b) Fairly light weight.
c) Binocular viewing possible with lower powers.
d) Cheap.
e) Suitable for patients with shaky hands.
4. Exercises of visual skills for the enhancement of visual functioning include:
a) Fixation exercises.
b) Tracking exercises.
c) Scanning exercises.
d) Spotting exercises.
e) Eccentric viewing exercises.
5. Regarding hemianopic mirrors:
a) Mount on nasal eye wear on blind side.
b) Angle almost straight ahead (above 5 to 10 degrees towards eye)
c) Angular width of field seen about equal to mirror width (mm).
d) Mirror does not act as an altering system.
e) None of the above.
PART-B (Marks: 75)
Q.1 Explain the optical & non optical low vision devices. (15)
Q.2 What are the advantages & disadvantages of optical devices? (15)
Q.3 What is peripheral field loss; explain the devices used for enhancing peripheral vision. (15)
Q.4 Write a comprehensive note on the functional & residual vision. (15)
Q.5 What is orientation & mobility? Discuss. (15)
PRACTICALS
1. Low vision assessment of 10 patients. (150)
2. Viva Voce. (50)
3. Total Marks: (200)