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Anatomy Physochology And Pathology Of The Visual System Question Paper

Anatomy Physochology And Pathology Of The Visual System

Course:Bachelor Of Education

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2008/2009
SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR
OF EDUCATION
PSE 111: ANATOMY, PHYSIOLOGY AND PATHOLOGY OF THE VISUAL
SYSTEM

DATE: Friday 27th March, 2009 TIME: 2.00 p.m. – 4.00 p.m.

INSTRUCTIONS
Answer all questions in Section one and any other two in section two.

SECTION ONE (30 MARKS)
1.
Briefly describe the locations and functions of the following parts of the eye.
(a)
Macula
(b)
Suspensory
ligaments
(c)
Ciliary
processes
[6 marks]

2.
Identify any three visual impairments that result from eye infection.[3 marks]

3.
Explain the three types of tests that an eye clinical officer can administer while assessing a child with eye problem. [3 marks]

4.
What are the possible causes of the following alterations of vision?
(a)
Visual fields defects
(b)
Haloes
(c)
Floaters
[3 marks]

5.
Briefly explain the causes of the following visual refractive errors.
(a)
Hyperopia
(b)
Diplopia
(c)
Myopia [4 marks]

6.
Distinguish between dark adaptation and accommodation. [2 marks]

7.
How can a patient suffering from glaucoma be relieved from pain? [3 marks]

8.
Explain the functions of the following tools:
(a) Bjerrum charts
(b) Tonometer
(c) Ophthalmoscope
[3 marks]
9.
Identify any two causes of cataracts. [2 marks]

10.
Describe the corrective measures that can be employed for a child suffering from strabismus. [4 marks]

SECTION TWO (40 MARKS)
11.
Discuss glaucoma as an eye disease that can affect both, children and adults, high lighting causes and management of the disease. [20 marks]

12.
As a teacher of the visually impaired you are posted in a dry dusty region that is most often prone to drought. The hygienic conditions are very poor and the whole population complains of visual problems from time to time. Create awareness barazas to educate the people on the possible causes and prevention of the visual problems they encounter in the region. [20 marks]

13.
Explain the causes, treatment and prevention of xerophthamia. [20 marks]

14.
Discuss how the low vision children can be managed in the classroom situations with the provision of optical and non-optical aids. [20 marks]

Anatomy Physochology And Pathology Of The Visual System Question Paper

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