Refractive results after two-stage photorefractive keratectomy (PRK) with the Zeiss MEL90 excimer laser for the correction of myopia.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00029923

Enrollment

112

Registered

2022-08-22

Start date

2022-08-17

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

H52.1

Interventions

Group 1: conventional Abrasio/PRK treatment Group 2: PTK/PRK treatment

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: All patients were older than 18 years All patients were able to sign an informed consent form Patient data from 01/2018 to 01/2022

Exclusion criteria

Exclusion criteria: Patients with eye diseases Patients with previous eye surgery or trauma Patients with general diseases affecting the eye

Design outcomes

Primary

Measure	Time frame
Standard target parameters visual acuity, spherical equivalents and refractive astigmatism	—

Secondary

Measure	Time frame
Visual acuity	—

Countries

Germany

Contacts

Public ContactAndreas Frings

Heinrich-Heine-Universität Düsseldorf

info@augenarzt-frings.de+49 911 235 558 25

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026