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Worksheets

Lens

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

What part of the eye is affected by cataracts?

a)

lens

b)

retina

c)

iris

d)

cornea

2.

Cataracts are caused by the clumping of proteins in the affected part of the eye.

a)

True

b)

False

3.

What is the most widely used surgical technique for cataracts?

a)

lens removal

b)

ECCE

c)

phacoemulsification

d)

couching

e)

femtosecond-assisted cataract extraction

4.

Once the lens is removed from the eye how is proper vision restored?

a)

a wedge placed between the cornea and the iris

b)

an artificial lens

c)

retinal rotation

d)

pressurizing the vitreous gel

5.

How long does the cataract surgery procedure normally take per eye?

a)

about half a day

b)

an hour

c)

15 minutes

d)

2 to 3 hours

6.

What part of your vision can an intraocular lens improve?

a)

distance

b)

intermediate

c)

close-up

d)

almost all vision problems

7.

Okay, I've had cataract surgery, how long will it be before my vision stabilizes?

a)

plan on a year

b)

generally just a week


c)

one to three months

d)

six months

8.

Although the majority of cataracts are related to age, some can develop after an eye injury.

a)

True

b)

False

9.

Smoking is a risk factor for cataracts.

a)

True

b)

False

10.

A halo that appears around lights may be a symptom of cataracts.

a)

True

b)

False

11.

Cataracts eventually go away on their own.

a)

True

b)

False

12.

A healthy diet may help reduce your risk for cataracts.

a)

True

b)

False

13.

Who are most likely to get cataracts?

a)

Diabetics

b)

Eye trauma sufferers

c)

Long-term steroid users

d)

All of the above

14.

What are the signs of cataract?

a)

Blurring of vision

b)

Double vision in one eye

c)

Halos around light

d)

All of above

15.

At what distance do multifocal cataracts help with vision?

a)

Near

b)

Intermediate

c)

Far

d)

All of the above

16.

What causes cataract?

a)

Reading

b)

Eyes closed

c)

Ultraviolet exposure

d)

All of the above

17.

Intraocular lenses that correct astigmatism and cylindrical errors are called:

a)

Monofocal

b)

Multifocal

c)

Toric

d)

Astigmatic

18.

In which of the following IOLs will glasses be required for near vision?

a)

Multifocal

b)

Monofocal for near vision

c)

Monofocal for distance vision

d)

Accomodative

19.

Phacoemulsification is performed through a ____mm wound.

a)

> 3 mm

b)

6 mm

c)

15 mm

d)

<3 mm

20.

The following conditions are related to cataracts:

a)

Diabetes

b)

Hypercalcaemia

c)

Atopic dermatitis

d)

All of the above