LASIK Postoperative Care & Follow-up 3

Question 1

What is the primary cause of starbursts and halos reported by patients on the first night after LASIK?

Accepted Answer

Corneal edema and flap-related surface irregularities during early healing

Answer

Permanent optic nerve damage

Answer

Increased intraocular pressure from surgery

Answer

Pupil dilation from residual anesthetic drops

Question 2

What is the minimum uncorrected visual acuity (UCVA) generally considered a functional LASIK success?

Accepted Answer

20/40

Answer

20/100

Answer

20/20

Answer

20/10

Question 3

What is the minimum refractive stability criterion that should be met before considering a LASIK enhancement procedure?

Accepted Answer

Refractive error stable for 3-6 months

Answer

Refractive error stable for 1 week

Answer

Refractive error stable for 1 month

Answer

Refractive error stable for 2 years

Question 4

What is the primary role of corneal topography in post-LASIK follow-up care?

Accepted Answer

Detecting irregularities such as ectasia or irregular astigmatism

Answer

Measuring intraocular pressure accurately

Answer

Evaluating posterior segment retinal health

Answer

Determining tear film breakup time

Question 5

When can patients typically safely return to contact sports after LASIK surgery?

Accepted Answer

4-6 weeks

Answer

1 week

Answer

2 weeks

Answer

6 months

Question 6

What is the appropriate initial management for Grade 1 diffuse lamellar keratitis (DLK) detected post-operatively?

Accepted Answer

Intensified topical corticosteroid therapy

Answer

Immediate surgical irrigation of the flap interface

Answer

Oral antifungal medication

Answer

Immediate flap lift and replacement

Question 7

In the context of LASIK follow-up, what does the term 'regression' refer to?

Accepted Answer

A gradual partial return toward the pre-surgical refractive error over time

Answer

Complete loss of all surgical correction achieved

Answer

The development of cataracts following surgery

Answer

Progressive worsening of corneal topography steepening