The Effect of Ablation Depth on Dry Eye After LASIK Treatment of Myopia

Overview

The study tried to find the relation between ablation depth and degree of dryness after LASIK treatment of myopic patients

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: N/A
    • Intervention Model: Single Group Assignment
    • Primary Purpose: Diagnostic
    • Masking: None (Open Label)
  • Study Primary Completion Date: May 1, 2014

Interventions

  • Procedure: LASIK

Clinical Trial Outcome Measures

Primary Measures

  • Incidence of dry eye
    • Time Frame: 6 months
    • Schirmer 1 test in millimeters
  • Degree of dryness
    • Time Frame: 6 months
    • Tear break up time in seconds

Participating in This Clinical Trial

Inclusion Criteria

  • Patients with age ≥ 21 years – Normal Pentacam maps – Myopia with spherical equation less than 12 D – Corneal thickness ≥ 500 Microns – Calculated residual stromal bed ≥ 280 microns – No signs or symptoms of dry eye. Exclusion Criteria : – Keratoconus and forme fruste keratoconus – Auto-immune diseases – History of dry eye or previous use of tear substitutes – Previous ocular surgery – Pregnant or lactating women.

Gender Eligibility: All

Minimum Age: 21 Years

Maximum Age: N/A

Investigator Details

  • Lead Sponsor
    • Minia University
  • Provider of Information About this Clinical Study
    • Principal Investigator: Hosny Ahmed Zein, Principle Investigator – Minia University

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