Mcq in ophthalmology and optometry part: 14

Sunday, January 02, 2022

Mcq in opthalmology for Ophthalmic Officer exam

Mcq in opthalmology for Ophthalmic Officer exam

01. Schirmer’s Test-1 measure

  1. A. Total secretion✓
  2. B. Reflex secretion
  3. C. Basal secretion
  4. D. Break up time

Schirmer’s Test I

  1. Schirmer’s test I measures the total tear secretions.
  2. It is performed with Schirmer’s test strip, (a Whatman filter paper 5 by 35 mm strip), which is folded at 5 mm and kept in lower conjunctival fornix. 
  3. The test strip is kept in the lower fornix for 5 minutes and the amount of wetting on the filter paper is noted.
  4. Wetting up to or more than 15 mm—normal.
  5. Wetting between 10 and 15 mm—borderline or mild dry eye.
  6. Wetting between 5 and 10 mm—moderate dry eye.
  7. Wetting less than 5mm—severe dry eye.

Schirmer’s Test II

  1. 1. Schirmer’s test II is done to measure reflex secretions.
  2. 2. It is performed in similar way as first test except that nasal mucosa is rubbed by a cotton bud to irritate it to measure reflex secretions. Schirmer’s Basal Secretion Test Schirmer’s basal secretion test is performed similar to test I except that conjunctival fornix is anesthetized before performing the test.

02. Fluorescein dye disappearance test (FDDT) is done for evaluation of

  1. A. Dry eye
  2. B. Tear film break up time
  3. C. Lacrimal outflow✓
  4. D. Leak from anterior chamber

03. Amsler grid is used for examination of

  1. A. Central visual field✓
  2. B. Fundus
  3. C. Visual acuity for distance
  4. D. Contrast sensitivity

04. Hruby lens used for fundus examination is

  1. A. Concave✓
  2. B. Convex
  3. C. Cylindrical
  4. D. Combination of lenses

Hruby lens used for fundus examination is Concave with power -58.6 which neutralize
optical power of eye

05. In blue light, Sodium flourescein stained cornea appears as

  1. A. Blue
  2. B. Yellow
  3. C. Green✓
  4. D. Red

06. In aphakia there is absence of following Purkinje-Sanson’s images

  1. a. 1st and 2nd
  2. b. 3rd
  3. c. 4th
  4. d. 3rd and 4th✓

07. The normal intraocular pressure is (Schiotz)

  1. a. 10-15 mm Hg
  2. b. 10-20 mm Hg✓
  3. c. 25-30 mm Hg
  4. d. less than 10 mm Hg

08. The most accurate method of measuring lOP is

  1. a. digital
  2. b. applanation✓
  3. c. Schiotz
  4. d. gonioscopy

09. Near vision is recorded at a distance of

  1. a. 10 cm
  2. b. 25 cm
  3. c. 33 cm✓
  4. d. 50 cm

10. Distant vision is recorded at a distance of

  1. a. 20 ft✓
  2. b. 6 ft
  3. c. 10ft
  4. d. 60 ft

11. Normal field of vision extends on the nasal side to

  1. a. 40°
  2. b. 50°
  3. c. 60°✓
  4. d. 70

12. Peripheral field of vision is tested by

  1. a. Bjerrum’s screen
  2. b. Snellen’s chart
  3. c. Lister’s perimeter✓
  4. d. indirect ophthalmoscopy

13. Central field of vision is limited up to

  1. a. 20°
  2. b. 30°✓
  3. c. 40°
  4. d. 50°

14. Distant direct ophthalmoscopy is done at a distance of

  1. a. 1 m
  2. b. 6 m
  3. c. 22 cm✓
  4. d. close to the face

15. In indirect ophthalmoscopy the image is

  1. a. inverted, real, magnified✓
  2. b. erect, real, magnified
  3. c. erect, virtual, magnified
  4. d. none of the above

16. In direct ophthalmoscopy the image is

  1. a. virtual, erect, magnified✓
  2. b. virtual, inverted, condensed
  3. c. real, inverted, magnified
  4. d. real, erect, condensed

17. Periphery of retina is best visualized with

  1. a. direct ophthalmoscopy
  2. b. indirect ophthalmoscopy✓
  3. c. retinoscopy
  4. d. USG

18. ‘A’ wave in ERG corresponds to activity in

  1. a. rods✓
  2. b. pigment epitheluim
  3. c. inner retinal layer
  4. d. nerve bundle layer

19. Campimetry is used to measure

  1. a. squint
  2. b. angle of deviation
  3. c. pattern of retina
  4. d. field charting✓

20. Angle of anterior chamber is studied with

  1. a. indirect ophthalmoscopy
  2. b. gonioscopy✓
  3. c. retinoscopy
  4. d. amblyoscope

21. RAF ruler is used for evaluation of

  1. A. Heterophoria
  2. B. Convergence and accommodation✓
  3. C. Field of vision
  4. D. Intra ocular pressure

22. Maddox wing is mainly used for evaluation of

  1. A. Heterophoria✓
  2. B. Heterotropia
  3. C. Paralytic squint
  4. D. All

23. Hess screen is used for evaluation of

  1. A. Central visual field
  2. B. Peripheral visual field
  3. C. Diplopia✓
  4. D. Heterophoria

24. Forced duction test is used to differentiate

  1. A. Heterophoria and heterotropia
  2. B. Paralytic and non paralytic squint
  3. C. Paralytic and restrictive squint✓
  4. D. None

25. Double Maddox rod test is used for evaluation of

  1. A. Double elevator palsy
  2. B. Cyclodeviations✓
  3. C. Restrictive squint
  4. D. Convergence insufficiency

26. Lister's perimeter is used for evaluation of

  1. A. Central visual field
  2. B. Peripheral visual field✓
  3. C. Both
  4. D. None

27. Bjerrum's screen is used for evaluation of

  1. A. Central visual field✓
  2. B. Peripheral visual field
  3. C. Both
  4. D. None

28. Automated perimeters like Humphrey field analyser is used for evaluation of

  1. A. Central visual field
  2. B. Peripheral visual field
  3. C. Both✓
  4. D. None

29. Active Force Generation Test (AFGT) is used to differentiate

  1. A. Heterophoria and heterotropia
  2. B. Paralytic and non paralytic squint
  3. C. Paralytic and restrictive squint✓
  4. D. None

30. In Hirschberg corneal reflex test, if the light reflex is seen on limbus the approximate squint measurement is

  1. A. 15°
  2. B. 30°
  3. C. 45°✓
  4. D. 70°

31. In cover uncover test, if the uncovered eye moves outward to take fixation, condition is

  1. A. Exophoria
  2. B. Esophoria✓
  3. C. Hyperphoria
  4. D. Cyclophoria

32. Average normal Vertical fusional reserve is

  1. A. 0-1°
  2. B. 1.5°-2.5°✓
  3. C. 3°-5°
  4. D. 20°-40°

Measurement of fusional reserve can be done with the help of a synoptophore or prism
bar. The normal values of fusional reserve are as follows
  • Vertical fusional reserve: 1.5°–2.5°
  • Horizontal negative fusional reserve (abduction range): 3°–5 °
  • Horizontal positive fusional reserve (adduction range) : 20°–40°.

33. Less screen is used for evaluation of

  1. A. Central visual field
  2. B. Peripheral visual field
  3. C. Diplopia charting✓
  4. D. Heterophorias

34. Phoropter is used for

  1. A. Refraction✓
  2. B. Field testing
  3. C. Orthoptic exercises
  4. D. IOP measurement

35. Roth spots are seen in

  1. A. Leukemic retinopathy✓
  2. B. ARMD
  3. C. ROP
  4. D. CRAO

36. Cherry Red spots are seen in

  1. A. CRVO
  2. B. CRAO✓
  3. C. ARMD
  4. D. BRVO

37. In perimetry, blind spot is located on which side

  1. A. Nasal
  2. B. Temporal✓
  3. C. Central
  4. D. Anywhere

38. Enlargement of blind spot is not see in

  1. A. Primary open angle glaucoma
  2. B. Primary angle closure glaucoma✓
  3. C. papilledema
  4. D. Optic disc drusen

39. In Kayser-Fleischer ring, deposits are seen in which layer of cornea

  1. A. Bowman's membrane
  2. B. Descemet's membrane✓
  3. C. Stroma
  4. D. Endothelium

40. Kayser-Fleischer ring is a ophthalmic sign of

  1. A. Wilson's disease✓
  2. B. Down syndrome
  3. C. Tuberculosis
  4. D. AIDS

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