The effect of femtosecond laser energy on corneal endothelium in femtosecond laser assisted deep anterior lamellar keratoplasty.

Comparison of the effects of femtosecond laser energy on the corneal endothelium at two different dissection levels in femtosecond laser-assisted deep anterior lamellar keratoplasty for keratoconus patients.

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

PACTR

Registry ID

PACTR201901615323963

Enrollment

Registered

2019-01-14

Start date

2018-05-16

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Eye Diseases

Interventions

femtosecond laser assisted deep anterior lamellar keratoplasty

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Age from 18 to 40 years Grade 3 or 4 keratoconus according to Amsler Krumeich classification No previous ocular or corneal surgery or trauma No associated ocular disease

Exclusion criteria

Exclusion criteria: Apical corneal scarring precluding specular microscopy Previous ocular or corneal surgery Associated eye disease

Design outcomes

Primary

Measure	Time frame
Effect on specular microscopy	—

Secondary

Measure	Time frame
safety on corneal endothelium	—

Countries

Egypt

Contacts

Public ContactMustafa Saber

Assistant lecturer of Ophthalmology at Ain Shams university

dr.mustafa.saber@gmail.com+21276720263

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026