MCQ Series 41: optometry and Ophthalmogy MCQ test series
1. 1.00D is the power of the lens of focal length of ______ cm.
3. Where should an object be placed so that a real and inverted image of the same size is obtained, using a convex lens?
6. Cylindrical lenses are prescribed in
9. All are causes of irregular astigmatism except
1. 1.00D is the power of the lens of focal length of ______ cm.
A.100
B.10
C.1/100
D.1/10
2.SI unit of the power of a lens is ____
A. dioptre
B. cm
C.metre
D.watt
3. Where should an object be placed so that a real and inverted image of the same size is obtained, using a convex lens?
A.Between O and F
B.At F
C.At 2 F
D.At infinity
4. Ray of light passes without deviation, if pass through
A.optical centre
B.focus
C.centre of curvature
D.pole
5. Patients with high myopia (>6D) are at a higher risk of
A. Retinal detachment
B.Macular degeneration
C.glaucoma
D.All of the above
6. Cylindrical lenses are prescribed in
A. presbyopia
B. astigmatism
C. myopia
D. squint
7. A newborn is invariably
A. hypermetropic
B. myopic
C. astigmatic
D. Presbyopic
8. Standard power of posterior chamber intraocular lens is
A. + 20 D
B. +10 D
C. + 5 D
D. + 15 D
9. All are causes of irregular astigmatism except
A. Pterygium
B. Keratoconus
C. Corneal scarring
D. Cataract surgery
10. Amblyopia can occur in all except
A. Uniocular high myopia
B. Uniocular high hypermetropia
C. Uniocular high astigmatism
D. Uniocular aphakia
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