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Worksheets

Lens

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

Lens related glaucoma include(s)

a)

phacomorphic glaucoma

b)

phacolytic glaucoma

c)

phacoanaphylactic uveitis

d)

subluxated lens

2.

Morgagnian cataract refers to (one best answer)

a)

incomplete opacification of lens

b)

total opacification of lens

c)

lysis of cortex and wrinkling of capsule

d)

liquefaction of cortex and nucleus sinking

3.

Step(s) of ECCE :

a)

continuous curvilinear capsulorrhexis

b)

conjunctival peritomy

c)

Anterior vitrectomy

d)

suture using 8/0 nylon

4.

Choose one correct statement about lens refractive index

a)

refractive index is 1.386 centrally

b)

Refractive index is 1.406 centrally

c)

Refractive index is similar to of the vitreous

d)

Refractive index is same as for the air

5.

What is the total lens dioptric power?

a)

18D

b)

30D

c)

10D

d)

8D

6.

Symptom(s) of this cataract include

a)

Hyperopic shift

b)

Monocular diplopia

c)

Poor hue discrimination

d)

Glaring

7.

Lens clarity is attained by:

a)

Thick lens fiber membranes

b)

Small interfibre spaces

c)

Loss of organelles

d)

Fine blood vessels

8.

Intraoperatively, small pupil is tackled by

a)

Capsular hooks

b)

Intracameral mydriatrics

c)

Iris hooks

d)

Physical stretch

9.

This material..

a)

is an ACIOL

b)

Can be implanted in sulcus

c)

Is foldable

d)

Can be implanted inside the ‘bag’

10.

Lens epithelium:

a)

Centrally is cuboidal and non mitotic

b)

Peripherally is columnar and non-mitotic

c)

Lies just deep to anterior and posterior capsule

d)

Energy production and active transport mostly occur here

11.

Management of posterior capsule rent include(s):

a)

Reduce bottle height

b)

Anterior vitrectomy is a must

c)

Triamcinolone is used to stabilise the chamber

d)

ACIOL can be inserted into the sulcus