Correct Answer:- Option-B
Question29:-In writing prescription, which statement is false:
A:-Age has no importance
B:-Near vision add if neeed should be mentioned
C:-Bifocals need special mention
D:-Constant / reading only need to be mentioned
Correct Answer:- Option-A
Question30:-All are complications of contact lens wear except:
A:-warpage
B:-Keratitis
C:-cloudy comea
D:-choroiditis
Correct Answer:- Option-D
Question31:-____ principle is used in antireflective coating of spectacles:
A:-Constructive interference
B:-Diffraction
C:-Reflection
D:-none of the above
Correct Answer:- Option-D
Question32:-If eyes optical system is compared to a camera, the role of retina ‏:ىا‎
‎A:-focussing system
B:-darkened interior
C:-diaphragm
D:-film
Correct Answer:- Option-D
Question33:-Which statement is false:
A:-Normal comeal diameter is 12 mm
B:-Radii of curvature of anterior is +7.7 mm
C:-Refractive index of comea is 1.52
D:-overall comeal power is +43.0D
Correct Answer:- Option-C
Question34:-ldeal size of pin hole is:
A< 1mm
B:-> 2.4 mm
C:-1.2 mm
D:-there is no ideal size for a pin hole
Correct Answer:- Option-C
Question35:-Visual angle is the angle subtended by the physical dimension of the object in visual field at the:
A:-principal point
B:-nodal point
C:-center of rotation
D:-none of the above
Correct Answer:- Option-B
Question36:-The visual potential in a case of dense cataract can be predicted by:
A:-potential acuity meter
B:-pupil
C:-botha &b
D:-neithera orb
Correct Answer:- Option-C
Question37:-Regarding hypermetropia true statement is:
A:-Total hypermetropia cannot be estimated
B:-Manifest in the amount that cannot be comrected by patients accomodative effort
C:-Manifest hypermetropia includes both facultative and absolute
D:-All the above statement are comect
Correct Answer:- Option-C
Question38:-A hypermetropic eye is predisposed to
A:-angle closure
B:-accomodative squint
C:-amblyopia