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

July 22, 2017 updated by: Hosny Ahmed Zein, Minia University
The study tried to find the relation between ablation depth and degree of dryness after LASIK treatment of myopic patients

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

53

Phase

  • Not Applicable

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

21 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

N/A

Genders Eligible for Study

All

Description

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.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Diagnostic
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

What is the study measuring?

Primary Outcome Measures

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

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Minia University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

June 1, 2013

Primary Completion (Actual)

May 1, 2014

Study Completion (Actual)

May 1, 2014

Study Registration Dates

First Submitted

July 14, 2017

First Submitted That Met QC Criteria

July 22, 2017

First Posted (Actual)

July 25, 2017

Study Record Updates

Last Update Posted (Actual)

July 25, 2017

Last Update Submitted That Met QC Criteria

July 22, 2017

Last Verified

July 1, 2017

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 5780

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Clinical Trials on Incidence and Severity of Dry Eye After Myopic LASIK

Clinical Trials on LASIK

Search Similar Trials

Sponsors and Collaborators

Medical Conditions

Drug Interventions

CROs by country

CROs in Jamaica

Conditions

Rare Diseases

Drug Interventions

Dietary Supplements

Sponsor/Collaborators

Locations

Subscribe