Optometry and Ophthalmology MCQ, Part-13

01. While doing retinoscopy, At the neutralization point, far point of eye is at

A. Infinity
B. Behind the eye
C. Anywhere depending on power of the eye
D. At the position of retinoscope✓

Far point of eye may be at any point depending on the power of the eye, in retinoscopy we are bringing that to the position of retinoscope.
Any eye including emmetropic, At the neutralization point the far point will be on the pinphole of retinoscope. Or simply, with that neutralizing power eye is intentionally made myopic with far point at position of retinoscope. That is then corrected as distance
correction in PMT.

02. Impact-resistance is less for

A. Glass✓
B. CR39
C. Polycarbonate
D. Plastic

03. Arden grating is used for evaluation of

A. Distance vision
B. Colour vision
C. Contrast sensitivity✓
D. Diplopia

04. Optokinetic nystagmus test is a

A. Detection acuity test
B. Recognition acuity test
C. Direction identification test
D. Resolution acuity test✓

OKN, PLT, VER etc are Resolution acuity tests Snellen's E and Landolt's broken ring tests are direction identification tests.

05. Which etiologic type of aniseikonia is easily correctable

A.  aniseikonia✓
B. Retinal aniseikonia
C. Cortical aniseikonia
D. All are equally easy

06. All are features of convergence spasm except

A. Intermittent diplopia
B. Blurring of vision
C. Mydriasis✓
D. Induced myopia

07. Magnification of +40D lens is

A. 4x
B. 10x✓
C. 20x
D. 40x

Magnification=D/4

08. All are features of image formed by a plane mirror except

A. Same size
B. Real✓
C. Laterally inverted
D. Same distance from mirror
Image is virtual

09. The Vistech chart is used for evaluation of

A. Distance vision
B. Near vision
C. Colour vision
D. Contrast sensitivity✓

10. Best optical treatment option for correcting irregular astigmatism

A. Spectacles
B. Contact lens✓
C. Intra ocular lens
D. Polarization lens

11. If axial length is increased, IOL power will

A. Increase
B. Decrease✓
C. Remain same
D. None

12. In the hypermetropic eye, the second principal focus lies

A. Behind the Retina✓
B. Infront of the Retina
C. On the Retina
D. At infinity

13. The jack-in-the-box phenomenon is observed in Aphakia correction using

A. Spectacle✓
B. Contact lens
C. IOL
D. All

14. Transverse keratotomy is used for correcting

A. Myopia
B. Hypermetropia
C. Astigmatism
D. Presbyopia

15. In retinoscopy, swirling reflex is seen in

A. High astigmatism
B. Keratoconus
C. Aphakia
D. IOL dislocation

16. Trachoma is a

A. Viral infection
B. Bacterial infection✓
C. Fungal infection
D. Allergic reaction

Trachoma is a disease caused by bacterium Chlamyida trachomatis which is spread by
poor hygiene, contaminated water, and houseflies.

17. Rupture in the Descemet's membrane seen in

a. K.conus
b. K.globus
c. Buphthalmos
d. All of the above✓

18. The pathology of snow blindness involves the

a. cornea✓
b. iris
c. Macula
d. optic disc

19. The most diagnosis sign of anterior uveitis is

A. Aqueous flare
B. KPs✓
C. Miosis
D. Raised IOP

20. Distichiasis is

A. An extra row of lashes✓
B. Misalignment of lashes
C. Absence of lashes
D. White lashes

21. Epidemic keratoconjunctivitis is caused by

A. dryness
B. allergens
C. adenovirus✓
D. bacteria Moraxella

When only the cornea is inflamed, it is called keratitis; when only the conjunctiva is inflamed, it is called conjunctivitis. When both conjunctiva and cornea is inflamed, it is known as keratoconjunctivitis.
Causes of different types of keratoconjunctivitis
Keratoconjunctivitis sicca - dryness
vernal keratoconjunctivitis (VKC) or spring catarrh - allergens
Atopic keratoconjunctivitis- atopy
Epidemic keratoconjunctivitis- adenovirus

22. Chalazion is the infection of:

A. Meibomian gland✓
B. Zeis gland
c. Lacrimal gland
d. Molls gland

23. Koeppe's nodules are seen on

A. Lid margin
B. Pupillary margin✓
C. Limbus
D. Conjunctiva

24. D-shaped pupil occurs in:

a. Iridocyclitis
b. Iridodenesis
c. Cyclodialsis
d. Iridodialysis✓

25. Everbusch operation is for

A. Ptosis✓
B. Proptosis
C. Lagophthalmos
D. Entropion

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