498-Contact Lenses_VUsolutions.com

							      ALLAMA IQBAL OPEN UNIVERSITY, ISLAMABAD
                    (Department of Home and Health Sciences)


Course: Contact Lenses (498)                                   Semester: Autumn, 2011
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.    Contact Lens Practice (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)
[

                                      WARNING
    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: Contact Lenses (498)                                    Semester: Autumn, 2011
Level: B.Sc.                                                          Total Marks: 100
                                                                        Pass Marks: 40
                               ASSIGNMENT No. 1
                                  PART-A (Marks: 25)
Mark as True or False.                                                            (25)
1.       Contact Lenses should not be prescribed for people with:
         a)   Myopia.
         b)   Poor hygiene.
         c)   Severe allergies.
         d)   Children.
         e)   Bell’s palsy.

2.       Following materials are used in hard contact lenses:
         a)   PMMA.
         b)   CAB.
         c)   Silicone.
         d)   Poly Vinyl Hema.
         e)   None of above.

3.       Contraindications of Contact Lens Wear Includes:
         a)   Glaucoma.
         b)   Uveitis.
         c)   Dry eye.
         d)   Blepharitis.
         e)   Allergic conjunctivitis.

4.       Benefit of Contact Lenses over glasses includes:
         a)   Lens magnification.
         b)   Less side effects.
         c)   Increase field of view.
         d)   Less prismatic effect.
         e)   Less minification.
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5.    Defect in Lens material or edge design:
      a)   Rediuscope.
      b)   Shadowgraph.
      c)   Lens meter.
      d)   Keratometer.
      e)   Profile analyzer.

                             PART-B (Total Marks: 75)

Q.1 Define Hard and Soft Contact Lenses. Compare the merits and demerits of Hard
    and Soft contact lenses.                                                (15)

Q.2 Write a comprehensive note on different lens material.                        (15)

Q.3 Write the fitting procedure for hard & soft contact lenses.                   (15)

Q.4 Give an account of different types of Keratometers, its uses and procedure.   (15)

Q.5 Write notes on:
    a)    Hard lens follow up and problems.
    b)    Hygiene and education for contact lens user.                            (15)

                              ASSIGNMENT No. 2
Total Marks: 100                                                       Pass Marks: 40
                            PART-A (Total Marks: 25)
Mark as True or False.                                                            (25)
1.    Fluorescence is helpful in the evaluation of:
      a)   Soft lens fitting.
      b)   Hard lens fitting.
      c)   Edge lift.
      d)   Apical clearance.
      e)   Dry eye.

2.    In moderate to advance keratoconous.
      a)   Spectacles can be used.
      b)   Soft lenses are used.
      c)   Hard RGP lenses are used.
      d)   Hybrid lenses are used.
      e)   Contact lenses can’t be used.

3.    In Aphakia contact lenses are preferred because of:
      a)   Greater magnification of retinal image.
      b)   Less displacement of objects.
      c)   Binocular vision in unilateral aphakia.
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      d)    Decreased peripheral aberrations.
      e)    None of the above.

4.    Important symptoms of dry eye include:
      a)  Decreased vision.
      b)  Blurring.
      c)  Heaviness.
      d)  Grittiness.
      e)  Pain.

5.    Complication of soft contact lens wear is:
      a)  GPC.
      b)  Bacterial keratitis.
      c)  Acanthamoeba keratitis.
      d)  Epithelial edema.
      e)  Ischemic infiltration.

                             PART-B (Total Marks: 75)

Q.1 Define Scleral lenses, its types, procedure for fitting and complications.    (15)

Q.2 Explain different methods available for lens hygiene.                         (15)

Q.3 Write an account on daily soft lens wear follow up and problems.              (15)

Q.4 What is a dry eye syndrome? Write a comprehensive not on it. How do you
    evaluate a patient for dry eye?                                     (15)

Q.5 Write notes on:
         Extended wear lenses.
         Keratoconous.
         Types of bifocal contact lenses.                                        (15)

                                  PRACTICALS
1.    Patient Assessment of Contact Lenses (10 Patients)                         (150)

2.    Viva Voce                                                                   (50)

3.    Total Marks                                                                (200)




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