Dry Eye Evaluation After Transepithelial PRK

AL-Nour Eye Hospital40 enrolled

Overview

The aim of the study is to evaluate the severity of dry eye syndrome following excimer laser vision correction using no-touch all-laser photorefractive keratectomy in comparison to conventional lasik

Prospective interventional clinical study 2 groups: Group A : 20 eyes of 10 patients undergoing transepithelial PRK Group B: 20 eyes of 10 patients undergoing LASIK using mechanical microkeratome Tear Break Up Time and Schirmer 2 tests are used to evaluate severity of dry eye before surgery and 1 , 3 and 6 months postoperative Follow up period : 6 months

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

SCREENING

Masking

NONE

Enrollment

Conditions

Dry Eye

Interventions

transepithelial PRKPROCEDURE

LASIKPROCEDURE

Eligibility

Sex: ALLMin age: 18 YearsMax age: 40 Years

Medical Language ↔ Plain English

Inclusion Criteria * Myopia -1 to -6 diopters * Astigmatism -0.5 to - 4 diopters Exclusion Criteria: * Pregnancy and lactation * Keratoconus * Previous refractive surgery * Previous herpetic keratitis

Locations (1)

Al Nour Eye Hospital

Giza, Egypt

Outcomes

Primary Outcomes

qualitative assessment of dry eye syndrome

Tear Break Up time is used as a qualitative measure of dry eye after surgery

Time frame: 6 months

quantitative of dry eye after surgery

Schirmer test is used as a quantitative measure of dry eye after surgery

Time frame: 6 months

Secondary Outcomes

haze

haze is a known possible complication of surface ablation Its severity can be graded according to a slit lamp scoring system

Time frame: 6 months

Data from ClinicalTrials.gov

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