Download BSCHOT 2nd Year 2012

IGNOU
B.Sc. (Hons.) in Optometry and
Ophthalmic Techniques (BSCHOT)
Dear Student,
ASSIGNMENTS
2012
BSCHOT/AS 1-4
Second Year
School of Health Sciences
Indira Gandhi National Open University
Maidan Garhi, New Delhi-110 068
There are four Tutor Marked Assignments (TMA) for BOS 007, BOS 008, BOS 009,BOS 010. All these
assignments are compulsory. Please note that you have to score minimum of 50 % marks in each
assignment. The assignment carries a weightage of 30% toward the final evaluation in theory
component. Submission of assignments is pre-requisite for appearing in term end theory examination
for respective papers.
All assignments should be submitted in time.
Please take note of the following points before writing your assignments.
Use only foolscap size paper for writing your responses. Only hand written assignments will be
accepted. Typed or printed copies of assignments will not be accepted.
Tie all the pages after numbering them carefully.
Write the question number with each answer and marks allotted.
All the questions are compulsory.
Each assignment will be evaluated out of 100 marks.
Each assignment has two parts i.e. part ‘A ‘and part ‘B’.
Suggestions for writing an assignment:
Read the assignment carefully. Scan through the whole material of the course, answers may be linked
within the blocks units. Draw a rough outline of your answers in your own words. Support your answer
from your clinical experience. Make a logical order. Then write your answer neatly and submit. Give
illustrations and tables wherever necessary. You must retain a Xerox copy of all these assignments.
Do not copy from printed course material. Answer each assignment on separate sheet. On the first page
of the assignment response sheet, write the course code, course title, assignment code, name of
programme study centre (PSC) and the date of submission. Your enrolment number, name and full
address should be mentioned on the first page. The first page of your response sheet should look like the
format given.
Course Code : ...........................................
Enrolment No. ...................................
Course Title : ...........................................
Name : ............................................
Assignment Code : ...........................................
Address : ...........................................
PSC : ........................................... ............................................
Please submit the assignments to the Programme In-charge of the Programme Study Centre allotted
to you.
Assignment – 1
VISUAL OPTICS – 007
Programme Code: BSCHOT
Course Code: BOS – 007
Assignment Code: BOS / AS 1
Maximum Marks: 100
Last date of Submission: 30th November 2012
PART ‘A’
Answer the following questions. Each carries ten marks.
10x5
1.
Describe various types of Keratometers.
2.
Define and classify Astigmatism. Describe the correcting measures of astigmatism.
3.
Explain the optics of aphakia. Describe the Signs, Symptoms and management of aphakia.
4.
Describe the various types of visual acuity tests.
5.
What is contrast sensitivity? Describe the various methods of contrast sensitivity measurement.
PART ‘B’
Write short notes on following. Each carries five marks
1.
Near retinoscopy
2.
Jackson Cross Cylinder technique
3.
Sturm’s Conoid
4.
Stenopic Slit Test
5.
Duochrome test
6.
Retinoscopy in astigmatism
7.
Anisometropia
8.
Scheiner’s principle
9.
Knap’s Law
10.
Anomalies of accommodation
5x10
Assignment – 2
DISPENSING OPTICS – 008
Programme Code:
BSCHOT
Course Code: BOS – 008
Assignment Code: BOS / AS 2
Maximum Marks: 100
Last date of Submission: 31st December 2012
PART ‘A’
Answer the following questions. Each carries ten marks.
10x4
1. A patient with IPD 60 mm has been provided with a spectacle frame of eye size 50mm and
bridge size 18 mm. his prescription reads:
RE -6.00DS with 2 prism base IN and
LE -4.00 DS with -1.50 DS at axis 1800 with 2 prism base IN
Calculate:
a) How much decentration and in what direction will be required to dispense the prismatic
specs?
b) The final distance between optical centers of the spectacles
2. Explain various lens materials and coatings in detail.
3. What is Inter Pupillary Distance? Explain its importance and describe the various methods, tools
and procedure for its measurement.
4. Explain the various designs of PALs.
Discuss the advantages and disadvantages of each.
PART ‘B’
Write short notes on following. Each carries four marks.
4x15
1. Diopter difference in refractive error between two eyes normally tolerated by a human being.
2. Various parts of a frame.
3. The processes of lens surfacing and glazing.
4. Working of a photo chromatic lens.
5. Fresnel press on prisms and Fresnel spherical lenses
6. Aspheric lenses
7. Hi Index lenses
8. Antireflection coatings
9. Polaroid lenses
10. Polycarbonate lenses
11. Boxing system
12. Geneva Lens Measure
13. Titanium Metal Frames
14. Bifocals
15. Choice of frame material for small children
Assignment – 3
ORTHOPTICS – 009
Programme Code: BSCHOT
Course Code: BOS – 009
Assignment Code: BOS / AS 3
Maximum Marks: 100
Last date of Submission: 31st January 2013
PART ‘A’
Answer the following questions. Each carries ten marks.
10x5
1. What is Nystagmus? Give the classification and management of nystagmus.
2. Describe the various investigations done in a case of concomitant squint.
3. Describe the principle and use of synaptophore in orthoptic clinic.
4. What do you understand by binocular single vision?
Give an account of various grades of binocular vision.
5. Describe the Duane’s Retraction Syndrome (DRS) and its types.
PART ‘B’
Write short notes on following. Each carries five marks.
1. Pseudo Strabismus
2. Worth’s Four Dot Test (W4DT)
3. Nomenclature of prisms
4. Treatment of amblyopia
5. Management of accommodative convergent squint
6. Sixth Nerve Palsy
7. Abnormal Retinal Correspondence (ARC)
8. Hess charting
9. Cover Test
10. Bagolini Striated Glasses
5x10
Assignment – 4
OCULAR DISEASES – 010
Programme Code: BSCHOT
Course Code: BOS – 010
Assignment Code: BOS / AS 4
Maximum Marks: 100
Last date of Submission: 28th February 2013
PART ‘A’
Answer the following questions. Each carries ten marks
10x5
1.
Give the classification of Senile Cataract. Describe its clinical features and management.
2.
Discuss the etiology, classification, clinical features and management of Colour Blindness.
3.
What are the different types Retinal Detachment? Explain its preventive measures.
4.
Discuss in details the etiology, signs, symptoms and management of Glaucoma.
5.
Enlist the various causes of red eye. How will you manage a case of allergic conjunctivitis?
PART ‘B’
Write short notes on following. Each carries five marks.
1.
Meibomitis
2.
Stye
3.
Exophthalmos
4.
Orbital cellulitis
5.
Staphyloma
6.
Ectropion
7.
Vitamin A deficiency
8.
Ocular manifestation of diabetes
9.
ARMD
10.
Computer Vision Syndrome
5x10