Q.P. Code: 216013 (new scheme) Reg. No.:…………………
Second Year B.Sc Optometry Degree Examinations October 2017
Visual Optics
(2014 scheme)
Time: 2 hrs Max marks: 40
Answer all questions
Draw diagrams wherever necessary
Essay
1. Define accommodation. Enumerate the ocular changes during accommodation. What do
you mean about amplitude of accommodation. Describe in details about the methods by
which you can measure the amplitude of accommodation clinically.
Short notes
2. Etiology of hyper metropia
3. Ophthalmoscopic findings seen in pathological myopia
4. Jackson cross cylinder
Answer briefly
5. Define spectacle magnification and relative spectacle magnification.
6. What do you mean about Vergence of light and conjugate points.
7. What are the characteristics of the movement of reflex during retinoscopy
8. What is fogging. What might occur if the patient is not fogged prior to beginning the
subjective refraction.
9. Sign convention used in geometrical optics
Fill in the blanks
10. 1 mm increase in radius of curvature of cornea leads to hyper metropia of………………...
11. The retinoscopy done with the patient's eyes fixed at a near distance is known as ……….
12. ……………………… is a condition of refraction wherein a point focus of light cannot be
formed upon the retina.
13. ………… is a congenital condition of the eye in which axial myopia is seen
14. Pseudo myopia is a condition seen in………………………