Exploratory study of contributory factors of presbyopia

Exploratory study of contributory factors of presbyopia - Contributory factors of presbyopia

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000051891

Enrollment

100000

Registered

2023-08-15

Start date

2015-12-01

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

presbyopia

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: best corrected vusual acuity better than 20/30

Exclusion criteria

Exclusion criteria: within one month after eye surgery

Design outcomes

Primary

Measure	Time frame
severity of presbyopia	—

Secondary

Measure	Time frame
age, ocular findings	—

Countries

Japan

Contacts

Public Contactmasahiko ayaki

ootake eye clinic eye

mayaki@olive.ocn.ne.jp09022118355

Outcome results