Study of BUT measurement method

Study of new method for measuring tear film break up time (BUT)

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs062220022

Enrollment

100

Registered

2022-05-30

Start date

2022-05-30

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

Dry eye disease

Interventions

Examining tear break up time for normal volunteer s using MR-6000 and fluorescein staining.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The eligible subjects are >=20 years and written informed consent.

Exclusion criteria

Exclusion criteria: 1.Active ocular infection 2.Corneal ulcer

Design outcomes

Primary

Measure	Time frame
Correlation between evaluation value of stability of tear films by MR6000 and Fluorescein BUT.	—

Secondary

Measure	Time frame
Association between tear film break up pattern an d measured values of MR-6000.	—

Contacts

Public ContactYuri Sakane

Ehime University Hospital

y-sakane@m.ehime-u.ac.jp+81-89-960-5361

Outcome results

None listed

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