MCQ Series 24 : optometry and Ophthalmogy MCQ test series

MCQ Series 24 : optometry and Ophthalmogy MCQ test series
 
MCQ Series 24 : optometry and Ophthalmogy MCQ test series


 
1. Visual acuity is a record of

A. light sense
B.form sense
C. contrast sense
D. colour sense

2. Scotopic vision is due to

A. cones
B. rods
C. both
D. none

3. Lesion of the optic tract causes

A. homonymous hemianopia
B. bitemporal hemianopia
C. binasal hemianopia
D. ipsilateral blindness

4. The corneal reflex pathway involves:

A.Brain stem.
B.Lateral geniculate body.
C.Cerebral cortex.
D.Optic nerve.

5. When the pupil is dilated, there is decreased:

A. Amount of light falling on the retina.
B. Chromatic aberrations.
C.Depth of focus of the image.
D.Spherical aberrations.

6. The cortical area involved in the control of voluntary eye fixation is:

A.Angular gyrus.
B. Frontal eye field.
C. Primary visual area.
D.Visual association area.

7. A young man was able to see but could not interpret what was being seen. He was diagnosed to have word blindness. He was most likely to have lesion in:

A. Optic chiasma.
B. Optic tract.
C.Primary visual cortex.
D. Visual association area.

8. A middle aged man is diagnosed to have a pituitary tumor damaging the center of the optic chiasma. The type of hemianopia in this man will be:

A.Binasal.
B.Bitemporal.
C.Homonymous.
D. Nasal.

9. The change unlikely to occur in eyes during the near vision is:

A. Contraction of ciliary muscles.
B. Constriction of pupil.
C.Convergence of eye balls.
D.Stimulation of sympathetic nerves.

10.Retinal blood supply is derived:

A. Only from central retinal artery.
B. Only from choroidal arteries.
C. From ophthalmic artery
D.From anterior communicating.





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