Download DNB 2016 Dec OPHTHALMOLOGY PAPER 1 Question Paper

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FINAL EXAM NATIONAL BOARD OF EXAMINATIONS

DECEMBER 2016

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OPHTHALMOLOGY

PAPER - I

OPH/D/16/26/I

Time : 3 hours

Max. Marks :100

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IMPORTANT INSTRUCTIONS

• This question paper consists of 10 questions divided into Part ‘A’ and Part ‘B’, each part containing 5 questions.
• Answers to questions of Part ‘A’ and Part ‘B’ 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 ‘A’ attempted in answer sheet(s) of Part ‘B’ or vice versa shall not be evaluated.
• Answer sheet(s) of Part ‘A’ and Part ‘B’ are not to be tagged together.

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• Part ‘A’ and Part ‘B’ 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.

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• 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:

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PART A

1. a) Limbal anatomy. 5+5
   b) Relationship between limbus and ‘corneal epithelial repair.
2. a) What are spherical aberrations? 4+(4+2)
   b) What is negative and positive asphericity of cornea? Give one example of each.

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3. a) Anatomy and development of eyelids. (4+4)+2
   b) Enumerate four congenital anomalies of eyelids.
4. a) Development of vitreous. 3+2+(3+2)
   b) What is persistent hyperplastic primary vitreous?
   c) Diagnostic features and differential diagnosis of persistent hyperplastic primary vitreous.

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5. a) Enumerate two broad headings for study designs and give one example under each category. 2+(2+2+2+2)
   b) Define specificity and sensitivity in evaluating screening tests. What is their relevance to positive and negative predictive value of the test?