Ocular Imaging Physics Practice Questions

Question 1

What condition is characterized by an "umbrella" configuration on fluorescein angiography?

Accepted Answer

Central serous retinopathy

Answer

Retinitis pigmentosa

Answer

Rhegmatogenous retinal detachment

Answer

Eale's disease

Question 2

All are true regarding cornea except:

Accepted Answer

The cornea is richly vascular.

Answer

Endothelium help in maintaining dehydrated state

Answer

Oxygen is mostly derived by epithelium directly from the air through tear film

Answer

Corneal thickness is greater at periphery than center

Question 3

The refractive power of an emmetropic eye is about:

Accepted Answer

+60D

Answer

+50D

Answer

+55D

Answer

+65D

Question 4

What is not an advantage of USG over mammography?

Accepted Answer

Superior detection of microcalcifications

Answer

Can be used for guided biopsy

Answer

In young females with dense breasts

Answer

Can be used to differentiate solid VS cystic

Question 5

Axial resolution in optical coherence tomography is about:

Accepted Answer

10 μm

Answer

100 μm

Answer

30 μm

Answer

300 μm

Question 6

Slit lamp examination is primarily used to assess which part of the eye?

Accepted Answer

Anterior segment of the eye

Answer

Posterior 1/3rd of choroid

Answer

Posterior capsule

Answer

Cornea and anterior chamber

Question 7

Fluorescein angiography is used to examine -

Accepted Answer

Retinal vasculature

Answer

Ciliary vasculature

Answer

Corneal vasculature

Answer

Conjunctival vasculature

Question 8

1mm change in axial length of the eyeball would change the refracting power of the eye by?

Accepted Answer

3D

Answer

1D

Answer

2D

Answer

4D

Question 9

Which of the following statements about congenital glaucoma is incorrect?

Accepted Answer

Anterior chamber is shallow

Answer

Thin and blue sclera seen

Answer

Photophobia is most common symptom

Answer

Haab's Striae may be seen

Question 10

What is entropion?

Accepted Answer

Inversion of the eyelid

Answer

Inversion of the eyelashes

Answer

Eversion of the eyelid

Answer

Eversion of the eyelashes

Ocular Imaging Physics — MCQs

Ocular Imaging Physics — MCQs

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