FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
DECEMBER 2016

POSSESSION USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE
EXAMINATION HALL.
OPHTHALMOLOGY
PAPER I
OPH/D/16/26/I
Time 3 hours
Max. Marks 100
IMPORTANT INSTRUCTIONS
• This question paper consists of 10 questions divided into Part and Part each part
containing 5 questions.
• Answers to questions of Part and Part are to be strictly attempted in separate answer
sheet(s) and the main supplementary answer sheet(s) used for each part must be tagged
separately.
• Answers to questions of Part attempted in answer sheet(s) of Part or vice versa shall
not be evaluated.
• Answer sheet(s) of Part and Part are not to be tagged together.
• Part and Part should be mentioned only on the covering page of the respective answer
sheet(s).
• Attempt all questions in order.
• Each question carries 10 marks.
• Read the question carefully and answer to the point neatly and legibly.
• Do not leave any blank pages between two answers.
• Indicate the question number correctly for the answer in the margin space.
• Answer all the parts of a single question together.
• Start the answer to a question on a fresh page or leave adequate space between two answers.
• Draw table/diagrams/flowcharts wherever appropriate.
Write short notes on:
PART A
1. Limbal anatomy.
Relationship between limbus and corneal epithelial
repair.
5+5
2. What are spherical aberrations?
What is negative and positive asphericity of cornea?
Give one example of each.

3. Anatomy and development of eyelids.
Enumerate four congenital anomalies of eyelids.

4. Development of vitreous.
What is persistent hyperplastic primary vitreous?
Diagnostic features and differential diagnosis of
persistent hyperplastic primary vitreous.

5. Enumerate two broad headings for study designs and
give one example under each category.
Define specificity and sensitivity in evaluating screening
tests. What is their relevance to positive and negative
predictive value of the test?

P.T.O.