Correct Answer:- Option-C
Question29:-Following are features of antireflective coating except
A:-Refractive index should be squire root of that of lens
B:-Thickness should be half the wavelength of light
C:-Magnesium fluoride is used in high powered lens
D:-None of the above
Correct Answer:- Option-B
olouration of photochromic glasses is due to the presence ೦8
icate
B:-Aluminophosphate
C:-Silver halide
D:-All of the above
Correct Answer:- Option-C
Question31:-Which of the following is true about SRK-1 formula?
A:-First generation formula
B:-Regression formula
C:-Good for axial length between 22-24.5 mm
D:-All the above
Correct Answer:- Option-D
Question32:-What is the power of stand mounted magnifier?
A:-Lessthan5 D
B:-5-60 D
C:-60-70 D
D:-None of the above
Correct Answer:- Option-B
Question33:-Which of the following is an indication for advanced comeal surface ablation procedures?
A:-Astigmatism upto 4 D
B:-Myopia of 8-10 D
C:-Hyperopia of 4-5 D
D:-All the above
Correct Answer:- Option-D
Question34:-How much increase in intra ocular pressure occur during applanation tonometry?
A:-5%
B:-0.1%
C:-3%
0:-2%
Correct Answer:- Option-C
Question35:-Inter observer variability of Goldmann applanation tonometry ‏ىا‎
‎A:-3-4 mmHg
B:-4 to 5 mmHg
C:-0 to 3 mmHg
D:-5 to 7 mmHg
Correct Answer:- Option-C
Question36:-Most common cause for bilateral proptosis in adults is
A:-Cavernous hemangioma
B:-Thyroid orbitopathy
C:-Pseudotumour
D:-Metastasis
Correct Answer:- Option-B
Question37:-Following are the causes of prominent comeal nerves
A:-Keratoconus
B:-Neurofibromatosis
C:-Refsum syndrome
D:-All the above
Correct Answer:- Option-D
Question38:-'T" sign in B scan is seen in
A:-Posterior Scleritis
B:-Papillitis
C:-Posterior uveitis