Corneal topographic change for before and after penetrating keratoplasty

Corneal topographic change for before and after penetrating keratoplasty - Corneal topographic change for PKP

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000026352

Enrollment

Registered

2017-05-01

Start date

2017-05-01

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 opacity

Interventions

Measurement of corneal topography

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who undergo penetrating corneal keratoplasty for corneal opacity

Exclusion criteria

Exclusion criteria: N/A

Design outcomes

Primary

Measure	Time frame
corneal topography	—

Secondary

Measure	Time frame
Visual acuity, refraction, sphere equivalent, endotherial cell density, complication	—

Countries

Japan

Contacts

Public ContactNorihiro Yamada

Saitama Medical University Ophthalmology

nyamada@saitama-med.ac.jp+81-49-276-1250

Outcome results

None listed

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