Actively Recruiting

All Genders
ID06996353

Clinical Data Collection of Myopic Patients After PTK-PRK With CZM MEL 90 Excimer Laser for Verification of Predicted Refractive Outcome Using EpiMaster Software Considering Epithelial Remodelling

Led by London Vision Clinic · Updated on 2026-01-09

150

Participants Needed

2

Research Sites

30 weeks

Total Duration

On this page

Sponsors

L

London Vision Clinic

Lead Sponsor

O

Optana GmbH

Collaborating Sponsor

AI-Summary

What this Trial Is About

This research aims to verify the accuracy of the EpiMaster application software's predictions for post-operative results in patients undergoing PTK-PRK refractive treatments. The study focuses on people with myopic or myopic and astigmatic refractive errors and compares predicted outcomes with actual clinical data after surgery. This observational study does not use the EpiMaster software during treatment but collects data to assess its prediction capabilities. Participants will receive PTK-PRK refractive treatment following routine clinical practice using the CZM MEL 90 Excimer Laser. The study does not involve any experimental procedures or interventions beyond standard care. The aim is to gather postoperative data to evaluate how well the software predicts the refractive outcomes, considering epithelial remodeling. During the study, participants will undergo follow-up visits and examinations as part of their routine care and data collection. Researchers will measure the difference between the spherical equivalent (SE) measured after surgery and the SE predicted by the EpiMaster software, with the primary outcome assessed at six months post-treatment. Participants need to agree to attend all follow-ups and understand the study information before enrolling. The study is expected to continue until mid-2027.

CONDITIONS

Brief Title

Clinical Data Collection of Myopic Patients After PTK-PRK With CZM MEL 90 Excimer Laser

Who Can Participate

All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Inclusion criteria follow the user manual of CZM MEL 90 Excimer Laser for treating refractive errors
  • Patient has myopic or myopic and astigmatic refractive error
  • Patient can understand the study information and is willing to sign informed consent
  • Patient agrees to comply with all follow-up visits and examinations
Not Eligible

You will not qualify if you...

  • Exclusion criteria follow the user manual of CZM MEL 90 Excimer Laser for treating refractive errors

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Surgery and Immediate Post-operative Care

Duration - 1 day

Participants undergo routine PTK-PRK refractive treatment with standard post-operative care.

1 visit (in-person)

Post-operative Follow-up

Duration - 6 months

Participants are observed through follow-up visits to collect clinical data after the PTK-PRK treatment.

Multiple follow-up visits over 6 months

Trial Site Locations

Total: 2 locations

1

Pro Sight Eye Hospital

Chandigarh, Punjab Haryana, India, 160043

Actively Recruiting

2

Uma Eye Clinic

Chennai, Tamil Nadu, India, 600040

Actively Recruiting

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Research Team

T

Timothy Archer, PhD

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

0

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