Efficiency, Predictability and Security of the Trans-epithelial Photorefractive Keratectomy (MYOPAS)

Centre Hospitalier Régional Metz-Thionville

Status: Completed

Conditions: Myopia

Study type: Observational

Funder types: Other

Identifiers

NCT02893592

2015-11Obs-CHRMT

Details and patient eligibility

About

The photorefractive keratectomy was the first correction mode refractive laser. It's a photo-ablation of a predetermined thickness of anterior corneal stroma. Debridement of epithelium can be done either mechanically (m-PRK) or by laser (trans-PRK). Trans-PRK has a lot of interests: facility and speed of procedure as well as suppression of human variable. Very good results are obtained by m-PRK. The aim of this study is to show equivalence or non inferiority of trans-PRK over conventional m-PRK in terms of safety and refractive efficiency

Enrollment: 118 patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• patients with stable refractive error (more than 2 years)
• Myopia up to -4.00 diopters and astigmatism up to -3.00 diopters

Exclusion criteria

• Phototherapeutic keratectomy (PTK)