This document provides a collection of 250+ multiple choice questions (MCQs) in optometry and ophthalmology. It aims to help students study for entrance, licensing, and job exams in these fields. The questions cover a range of difficulty levels and come from past exams. Authentic answers are provided from experienced professionals. More similar questions and answers are available at the provided link. The questions are regularly updated to help eye health professionals prepare for various exams.

1. 250+ Top Rated MCQs in
Optometry and Ophthalmology
Rabindra Adhikary
M. Optom (Tilganga Institute of Ophthalmology, PU)
B. Optom (Institute of Medicine, TU)

2. Why You Should Study these
Questions?
• These are the high-ranked, high frequency
optometry and ophthalmology questions
• This collection include questions that appeared in
the previous entrance, licensing and job
examinations
• Difficulty level of the questions are balanced by
including questions from easy to hard level
• This also have the authentic answers you can
trust because the answers are sought out from
experienced figures in the field of ophthalmology
and optometry.

3. 1
• Which one of the following causes of irregular
astigmatism is self-reversible?
a) Keratoconus
b) Toric IOL rotation
c) corneal warpage due to RGP
d) Pellucid marginal degeneration

4. 2
• The most commonly affected extra-ocular
muscle in thyroid eye disease is
a) Lateral Rectus
b) Inferior Rectus
c) Medial Rectus
d) Inferior Oblique

5. 3
• One of the following is a binocular eye
movement
a) Extortion
b) Depression
c) Dextroversion
d) Abduction

6. 4
• The unit of measurement of convergence is
a) Arc meter
b) Meter diopter
c) Meter angle
d) Radian diopter

7. 5
• The keratometry reading of a myopic eye of 5
Diopters is 43 Diopters and 41 Diopters
horizontally and vertically respectively. What
is the expected average k-reading after
refractive surgery in general?
a) 38
b) 40
c) 41
d) 45

8. 6
• According to Holden and Mertz criteria,
hydrogel lens with the critical oxygen
transmissibility of 87.0 ± 3.3 x 1-9 (cm x ml
O2) /(sec X ml x mmHG) may create the
edema of……..on overnight wear
a) 4%
b) 8%
c) 9.9%
d) 12.1%

9. 7
• One is false about bifocals
a) In flat-top bifocals the segment optical center is
generally 5 mm below the top
b) Blended bifocals and fused bifocals terms can be
used interchangeably.
c) Ribbon-segments are available only in glass
d) If the major reference point falls farther than 2
mm outward from the geometrical center, the
total inset will be out.

10. 8
• Find out the correct tube length of a Galiliean
telescope whose objective and eyepiece are of
forty and twenty diopters respectively.
a) 2cm
b) 2.5cm
c) 6.5 cm
d) 7.5 cm

11. 9
• One of the following is true
a) Lens flexure will induce a plus cylinder whose
axis is aligned with flattest corneal meridian
b) Lens flexure will induce a minus cylinder whose
axis is aligned with flattest corneal meridian
c) Lens flexure will induce a plus cylinder whose
axis is aligned with steepest corneal meridian
d) Lens flexure will induce a minus cylinder whose
axis is aligned with steepest corneal meridian

12. 10
• The corneal tissue would not be worth for
optical transplantation if the endothelial count
is below
a) 2000 / sq mm
b) 1500 sq mm
c) 1000 sq mm
d) 2500 sq mm

13. 11
• The angle between the line of direction from
fovea to the anomalously fixated point in
retina is
a) Objective angle
b) Subjective angle
c) Angle of anomaly
d) Angle kappa

14. 12
• In orbital trauma the bone most likely to be
damaged is
a) Lateral Zygomatic
b) Orbital floor of maxillary
c) Nasal
d) Ethmoid

15. 13
• Magnitude of tropia can be found by
a) Cover test
b) Alternate cover test
c) Prism Cover test
d) Cover Uncover test

16. 14
• DRS type II is characterized by all except
a) Marcus jaw winking
b) Crocodile tears
c) Retraction of the eyeball as the eye moves
inward
d) Poor abduction, good adduction

17. 15
• In Goldmann Tonometry (GAT), 4D of corneal
astigmatism bring about the change in IOP
error by
a) 1 mmofHg
b) 2 mm of Hg
c) 3 mm of HG
d) 4 mm of Hg

18. Wait….
• Do you like these questions?
• Want more similar questions? With their answers?
Ok. Go through this link:
https://www.rabindraadhikary.com.np/2021/11/multiple-
choice-questions-mcqs-in.html
The questions are regularly added and updated in the above
blog and have many other easy to complex MCQs suitable
for any examinations of eye health professionals (OAs,
Optometrists and Ophthalmologists)