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Ophthalmology

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Cornea

Question
8 out of 52
 

A lady wants LASIK surgery for her daughter she asks for your opinion, All the following things are suitable for performing LASIK-EXCEPT (AIPG 2010)



A Myopia of-4 Diopters

B Age of 15 years

C Stable refraction for 1 year

D Corneal thickness of 600 microns

Ans. B [Age of 15 years] Q

LASIK [Laser assisted in situ keratomileusis] Indications ­

a. Age minimum is 18 years Q

b. Range of correction - 1 to 12 Diopter. Q

c. Refraction should be stable Qfor 12 months . Central corneal thickness> atleast 500 microns

Contraindication of LASIK Q

1

.Monocular patients

6.

Keratoconus

2

infections eg conjunctivitis, keratitis

7.

Poor endothelial cell count in cornea

3

Glaucoma

8

«1500cells/mm2

4

Autoimmune disease

9.

Dry eye

5

Thin cornea « 450 micron)

10.

Diabetic retinopathy

Currently LASIK procedure is being considered refractory surgery of choice for myopia upto 12 D

Advantage

Disadvantage

1.

Minimal or no post operative pain

1.

More expensive

2.

Recovery of vision is very early

2.

Require greater surgical skill

3.

No risk of perforation during

3.

There is potential risk of flap related

surgery

complications include

4.

No residual haze

(I)

Intra operative flap amputation

(II) Wrinkling of flap on repositioning

(III) Post operative flap dislocations!

(IV) Epithelization of flap bed interface

(V) Irregular astigmatism

Cornea Flashcard List

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