A Study on the Relationship Between Keratoconus Severity, Age, and Corneal Stiffness

A Study on the Relationship Between Keratoconus Severity, Age, and Corneal Stiffness - A Study on the Relationship Between Keratoconus Severity, Age, and Corneal Stiffness

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000061563

Enrollment

100

Registered

2026-05-14

Start date

2026-06-01

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

Keratoconus

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients who visited the Keratoconus Clinic in the Department of Ophthalmology at Keio University Hospital. 2) Individuals who provide written informed consent to participate in this study. 3) Age: 8 years or older (no upper age limit).

Exclusion criteria

Exclusion criteria: 1) Ocular diseases potentially affecting corneal stiffness (e.g., severe dry eye, corneal scarring, inflammatory corneal disease, bullous keratopathy). 2) History of corneal surgery other than corneal cross-linking. 3) Patients with photosensitivity. 4) Pediatric subjects unable to read or understand the assent form. 5) Individuals deemed unsuitable for participation by the Principal Investigator or Sub-investigator.

Design outcomes

Primary

Measure	Time frame
Corneal stiffness (Brillouin longitudinal modulus)	—

Countries

Japan

Contacts

Public ContactNaoko Kato

Keio University School of Medicine Department of Ophthalmology

naokato@bc.iij4u.or.jp03-5363-3821

Outcome results