Clinical study of corneal astigmatism correction using femtosecond laser

Clinical study of corneal astigmatism correction using femtosecond laser - Clinical study of corneal astigmatism correction using femtosecond laser

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000014569

Enrollment

Registered

2014-07-16

Start date

2014-07-16

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

corneal astigmatism

Interventions

corneal astigmatism correction using femtosecond laser

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Patients who are decreased visual performance due to corneal warpage and are indicated for corneal incision for astigmatism correction in Osaka University Hospital 2)Aged 20 years old and over 3)Written informed consent

Exclusion criteria

Exclusion criteria: 1)Corneal astigmatism patients who are not indicated for the intervention due to high level corneal warpage. 2)Patients who have been decided not appropriate for enrollment by the principal investigator. 3)Patients who will be failed to follow up after surgery.

Design outcomes

Primary

Measure	Time frame
Subjective quantity of astigmatism after surgery	—

Secondary

Measure	Time frame
visual acuity, corneal endothelial cell density, corneal higher-order wavefront aberrations, complication	—

Countries

Japan

Contacts

Public ContactTakeshi Soma

Osaka University Graduate School of Medicine Department of Ophthalmology

soma@ophthal.med.osaka-u.ac.jp06-6879-3456

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026