Test 28
1. In photometry:
a. troland is a measure of retinal illumination

b. a perfect diffuser reflects all the light which is incident

c. irradiance refers to the amount of light reflected from 
    a surface

d. yellow-green light produces the maximum luminous 

e. the unit for luminous intensity in common use 
    nowadays is candela


2. When light enters from denser to a rarer medium 
a. total internal reflection always occurs 

b. the angle of incidence is equal to the angle of 

c. blue light is refracted more than red light

d. it is deviated towards the normal 

e. the speed increases


3. Following associations are true 

 a. congenital ptosis and astigmatism 

 b. myopia and flat cornea 

 c. myopia and long axial length 

 d. keratoconus and oil droplet reflex on retinoscopy 

 e. congruous hemianopia and cortical lesion 


4. In an adult patient with ptosis, you will check:

 a. cover test in upgaze 

 b. ptosis maximum in sustained upgaze 

 c. overaction of inferior oblique muscle in lateral gaze 

 d. ask history of contact lens wear 

 e. examination of upper fornix 

5. In cases of pupil abnormality, the following examination may
    give you clue to the underlying cause:

a. heterochromia irides 

b. iris examination on the slit lamp 

c. gonioscopy 

d. anterior chamber examination on slit lamp 

e. macular examination with 60D

More MCQs