PRK and LASEK Practice Questions

Question 1

In a case of myopia, LASIK can correct up to how many diopters?

Accepted Answer

-12D

Answer

-4D

Answer

-20D

Answer

-6D

Question 2

The laser procedure, most often used for treating iris neovascularization is

Accepted Answer

Panretinal photocoagulation (PRP)

Answer

Laser iridoplasty

Answer

Laser trabeculoplasty

Answer

Goniophotocoagulation

Question 3

Absolute contraindication for LASIK is:

Accepted Answer

Central corneal thickness < 480 µm

Answer

Age < 13 years

Answer

Myopia of −4 D

Answer

Stable refraction for 1 year

Question 4

Which of the following is used for the treatment of Myopia?

Accepted Answer

Excimer Laser

Answer

Nd–YAG LASER

Answer

Carbamazepine

Answer

SSRI

Question 5

What is the wavelength of laser (in nanometers) used for shaping the cornea in refractive surgery?

Accepted Answer

193 nm

Answer

451 nm

Answer

532 nm

Answer

1064 nm

Question 6

Which of the following is NOT a characteristic of femtolasik?

Accepted Answer

Flapless lasik

Answer

Bladeless lasik

Answer

Less incidence of dry eyes

Answer

Cannot be done in thinner corneas

Question 7

Which of the following is a treatment modality for myopia?

Accepted Answer

LASER Keratomileusis

Answer

Radial keratotomy

Answer

Epikeratophakia

Answer

LASER Keratoplasty

Question 8

Which of the following lasers is used for the treatment of myopia?

Accepted Answer

Excimer Laser

Answer

Nd-YAG LASER

Answer

Harmonium Laser

Answer

Argon Laser

Question 9

Excimer laser is used in which of the following conditions?

Accepted Answer

None of the above

Answer

Glaucoma

Answer

Cataract

Answer

Uveitis

Question 10

What is the main corneal mechanism holding the LASIK flap in place after surgery?

Accepted Answer

Endothelial pump

Answer

Stromal collagen adhesions

Answer

Bowman's layer-stromal adhesions

Answer

Endothelial-Descemet's membrane forces

PRK and LASEK — MCQs

PRK and LASEK — MCQs

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