[LO 0219] FEBRUARY 2019 Sub. Code: 2723
B.OPTOM
(New Syllabus 2015-2016)
THIRD YEAR
PAPER III LOW VISION AIDS AND CONTACT LENS
Q.P. Code: 802723
Time: Three Hours Maximum: 100 Marks
Answer all questions
I. Elaborate on: x 10 30)
1. Write in detail about non optical devices.
2. Classify contact lenses give their advantages and disadvantages.
3. Discuss in detail about indication and contraindication of contact lens.
II. Write notes on: x 5 40)
1. Electro optical devices.
2. Write in detail about advantages of contact lens over spectacles.
3. Albinism.
4. Terminologies in relation to contact lens.
5. Symptoms of loose fit and tight fit in soft contact lens and its remedy.
6. Disposable contact lenses.
7. Field loss in low vision.
8. Initial patient workup before contact lens fitting.
III. Short answers on: (10 x 3 30)
1. DK value.
2. Disadvantages of PMMA.
3. Define visual impairment.
4. Oxygen permeability.
5. Wetting angle.
6. Taco test.
7. Management of coloboma.
8. Characteristics of a correct contact lens fitting.
9. Chemical disinfection.
10. Define contrast sensitivity.