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Optometry And Ophthalmology Practice Test Questions: Optics and Refraction
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Optometry And Ophthalmology Practice Test Questions: Optics and Refraction
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25 Questions

1. Which of the following is not a problem with spectacle correction of aphakia?
2. The image of an object formed by reflection at a plane surface is not:
3. A Snellen visual acuity of 20/20 is equivalent to which of the following logMAR values?
4. In duochrome test red becomes clear when
5. In retinoscopy using a plane mirror with working distance 1m, when the mirror is tilted to the right the shadow in the pupil moves to the left in
6. Snellens chart is based on what type of visual acuity?
7. The catoptric image formed from which of the following is inverted?
8. The unit of illuminance is:
9. Which of the following is a risk factor for retinal detachment?
10. If the horizontal meridian is more curved than the vertical meridian, the astigmatism is
11. Hruby lens used for ophthalmoscopy is a?
12. In cycloplegic retinoscopy using 1%atropine, the amount of diopters deducted to compensate ciliary muscle tone is
13. A newborn is invariably
14. Lens with a long focal length is
15. What is the most common refractive error of the human eye?
16. Functional hypermetropia occur in
17. In duochrome test, slightly myopic patient see letters in _____ sharper.
18. Stiles-Crawford effect is more sensitivity of the retina to
19. A person standing in front of mirror finds his image larger than himself. This implies that the mirror is :
20. An increase in axial length of the eye will cause
21. Simple myopia usually does not exceed
22. Image magnification in direct ophthalmoscopy
23. Water silk appearance in retina is seen in
24. Skiascopy is another name for
25. the far point of a myopic eye is

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