Posts
(Department of Home and Health Sciences)
Course: Normal Structure & Function of the eye (2424) Semester: Autumn, 2010
Level: B.Sc Credit: Half
CONTENT LIST
Dear Student,
You will find the following items in your packets.
1. Study Guide (Unit 1-9)
2. Theory Assignments (1-2)
3. Practical Assignment (01)
4. Assignments forms (09)
5. Anatomy Physiology Microbiology & Pharmacology of the eye (2421) as Allied material
6. Schedule for submitting assignments, Practical and tutorials meetings
Note: - If any one item from the above 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: Normal Structure and Functioning of the Eye (2424)
Level: B. Sc. Semester: Autumn, 2010
Total Marks: 100 Pass Marks: 40
ASSIGNMENT No. 1
PART-A (Marks: 25)
Mark as True or False (25)
1. Regarding Conjunctiva:
a) It is part of the fibrous layer of the eyeball.
b) Contains accessory lacrimal glands.
c) Is very vascular.
d) Has got no sensory nerve supply.
e) Tenon’s capsule is a part of it.
2. Regarding the Eyelids:
a) Blinking is a function of the Orbicularis Oris.
b) Tarsal plate is composed of cartilage.
c) Meibomian gland are oily glands associated with the eyelashes.
d) The lower punctum is responsible for most of the tear drainage.
e) Glands of the eyelids contribute to the mucus layer of the tear film.
3. Regarding the Cornea:
a) Makes 1/6 of the circumference of the eyeball.
b) Contributes +30 diopters to the total refrective power of the eye.
c) Is responsible for most of the refractive power of the eye.
d) Vitamin D is needed for the maintenance of health and transparency of the cornea.
e) Limbal cells play an important role in the healing of corneal wounds.
4. Regarding the Orbit:
a) Lacrimal gland lies in the upper outer quadrant.
b) Superior orbital margin is contributed by the frontal bone.
c) Maxillary sinus is related to medial wall of the orbit.
d) Blow out fracture of the orbit usually involves the floor and medial wall of the orbit.
e) Optic nerve enters the orbit through the superior orbital fissure.
5. Regarding the Uvea.
a) Is the most vascular structure of the eye.
b) Is a vascular.
c) Choroid is the anterior part of uvea.
d) Accommodation is a function of the pupillary muscles.
e) Uvea is responsible for the synthesis of aqueous.
PART-B (Marks: 75)
Q.1 Define the term blindness, what are the common causes of global Blindness. (15)
Q.2 Describe the basic structure of lacrimal system. (15)
Q.3 Describe the factors responsible for the stability of eyeball in the orbit. (15)
Q.4 Describe the structure of cornea with the help of a diagram. (15)
Q.5 Write short notes on the following:
i) Functions of tears.
ii) Transparency of cornea.
iii) Functions of Iris. (15)
ASSIGNMENT No. 2
PART-A (Marks: 25)
Total Marks: 100 Pass Marks: 40
Mark as True of False (25)
1. Regarding the chambers of the eye:
a) Anterior chamber is smaller than the posterior chamber.
b) Iris is the main demarcating structure between the anterior and the posterior chambers.
c) Aqueous flows only through the anterior chamber.
d) Vitreous occupies the posterior chamber.
e) Aqueous drainage apparatus is located at peripheral part of Iris.
2. Human lens:
a) Continues to grow through out life.
b) Is held in position by zonular fibers.
c) Has an elastic capsule covering only its posterior surface.
d) Is capable of forward and backward movement while accommodating.
e) Is mainly protein in structure.
3. Regarding extra ocular muscles:
a) Medial rectus causes adduction of the eye.
b) Lateral rectus causes Supraduction.
c) Superior oblique is an intorter.
d) Inferior oblique is supplied by the oculomotor nerve.
e) The movements of the extra ocular muscles are paired.
4. Regarding the physiology of retina:
a) Vitamin A is necessary for the normal functioning of the photoreceptors.
b) There are two kind of photoreceptors in the retina.
c) Dark adaptation is the function of cones.
d) Vision is sharpest at the optic nerve head.
e) Macula has no rods or cones.
5. Pupil is not affected by:
a) Darkness.
b) Light.
c) Atropine.
d) Pilocarpine.
e) Optic nerve pathology.
PART-B (Marks: 75)
Q.1 Explain the process of accommodation. (15)
Q.2 Describe the outflow of aqueous. What are the factors affecting IOP? (15)
Q.3 What makes the retina capable of adapting to both light and darkness, give three characteristic of vision in light and darkness. (15)
Q.4 Name the cranial nerves related to the eye, describe the function of the 3rd cranial nerve in relation to the normal functioning of the eye. (15)
Q.5 What are the functions of vitreous? (15)
PRACTICAL
List of practical assignments
1. Make a list of personnel included in an eye care team and supplement your assignment with photographs of the concerned professionals at work. (100)
2. Make a list of the professional organizations of ophthalmic medical personnel. (50)
3. Viva voce (50)
4. Total Marks: (200)