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Refractive Surgery

Total questions: 15

Worksheet time: 5mins

Name
Class
Date
1.

Which of the following is a Lamellar corneal refractive procedure?

a)

Thermal Laser Keratoplasty (TLK)

b)

Conductive keratoplasty (CK)

c)

Automated lamellar Keratoplasty (ALK)

d)

Photorefractive keratectomy (PRK)

2.

Which of the following is a Corneal shrinkage refractive procedure?

a)

Automated lamellar keratoplasty(ALK)

b)

Astigmatic keratotomy(AK)

c)

Laser subepithelial keratomileusis(Lasek)

d)

Thermal laser keratoplasty(TLK)

3.

Which of the following group of drug is not a contraindication for refractive surgery?

a)

Steroids

b)

Oral hypoglycaemic agents

c)

Antihypertensives

d)

Antipsychotics

4.

Conductive keratoplasty is indicated in patients with

a)

Hyperopia

b)

Presbyopia

c)

Both A and B

d)

Myopia

5.

Which laser is used in photorefractive keratectomy?

a)

Photon Torpedo

b)

Nd:YAG laser

c)

Excimer laser

d)

Argon Laser

6.

The ideal depth of RK incisions was ____________% of the corneal thickness

a)

55-60

b)

65-70

c)

75-80

d)

85-90

7.

Name the procedure shown here

a)

Astigmatic keratotomy

b)

Radial keratotomy

c)

Hexagonal keratotomy

d)

Opposite clear corneal incision

8.

Radial keratotomy is contraindicated in

a)

Night Drivers

b)

Sports persons

c)

Security personals

d)

All of the above

9.

Identify the procedure shown here.

a)

Automated lamellar keratoplasty(ALK)

b)

Photorefractive keratectomy (PRK)

c)

Thermal laser keratoplasty(TLK)

d)

Astigmatic keratotomy(AK)

10.

The mechanical device that creates a corneal flap in LASIK is called a ______?

a)

weed whacker

b)

microtome

c)

microkeratome

d)

microcornatome

11.

People with cataracts, glaucoma or macular degeneration are not good candidates for LASIK.

a)

True

b)

False

12.

Which of the following is an acceptable way to treat high myopia?

a)

radial keratotomy

b)

laser thermal keratoplasty

c)

conductive keratoplasty

d)

phakic intraocular lens

13.

Higher-order optical aberrations can be reduced with ______-guided laser ablation.

a)

Computed tomography (CT)

b)

B Scan

c)

Wave front

d)

Magnetic Resonance Imaging (MRI)

14.

When one eye is corrected for distance and one eye is corrected for near, this is called _______ .

a)

Monovision

b)

Television

c)

Blended Vision

d)

Prevision

15.

The following are contraindications to LASIK, except:

a)

Presbyopia

b)

Sjogren Syndrome

c)

Use of Accutane

d)

Keratoconus