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Verification of results of PTK-PRK laser treatments for minus power correction based on epithelial thickness versus the results predicted by Epimaster software

Clinical data collection of myopic patients after PTK-PRK with MEL excimer laser for verification of predicted refractive outcome using software EpiMaster considering epithelial remodelling - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/02/104845
Enrollment
42
Registered
2026-02-26
Start date
Unknown
Completion date
Unknown
Last updated
2026-03-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Intervention1: PTK PRK treatment: PTK PRK treatment is a standard excimer laser based treatment for correction of myopia and myopic astigmatism Control Intervention1: Epimaster software: Epimaster so

Sponsors

London Vision Clinic
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Inclusion criteria are according to the user manual of Carl Zeiss Meditec MEL (mel) 90 excimer laser for treatment of refractive errors Patient present with myopic or myopic and astigmatic error Patient will be able to understand the patient information and willing to sign an informed consent Patient will be willing to comply with all follow-up visits and the respective examinations

Exclusion criteria

Exclusion criteria: Thin corneas, keratoconus, corneal scars, severe eye allergies, eye infections, retinal and optic nerve diseases, pregnant females and immunocompromised patients

Design outcomes

Primary

MeasureTime frame
percentage of eyes with SE6 months post-op measured - SEpredicted by EpiMaster within 1.00D, with SE being the spherical equivalentTimepoint: post op 1, 3 , 6 and 12 months

Secondary

MeasureTime frame
Percentage of eyes that reached: SE6 months post-op measured" - SEpredicted by EpiMaster within 0.50D SE12 months post-op measured" - SEpredicted by EpiMaster within 1.00D SE12 months post-op measured" - SEpredicted by EpiMaster within 0.50D S6 months post-op measured" - Spredicted by EpiMaster within 1.00D S6 months post-op measured" - Spredicted by EpiMaster within 0.50D S12 months post-op measured" - Spredicted by EpiMaster within 1.00D S12 months post-op measured" - Spredicted by EpiMaster within 0.50D C6 months post-op measured" - Cpredicted by EpiMaster within 1.00D Timepoint: post op 1, 3 , 6 & 12 months

Countries

India

Contacts

Public ContactDr Sheetal Brar

ProSight Eye Hospital

sheetalbrar1@gmail.com09591002092

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Mar 14, 2026