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The correlations between miosis in near viewing and age, accommodation amplitude, eye dominance.

The correlations between miosis in near viewing and age, accommodation amplitude, eye dominance. - Miosis in near viewing and accommodation amplitude.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000021588
Enrollment
30
Registered
2016-03-23
Start date
2015-03-01
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

Sponsors

Keio university school of medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Subjects with the corrected visual acuity of 1.0 and over, and without ocular diseases other than refractive error.

Exclusion criteria

Exclusion criteria: Subject with corrected visual acuity less than 1.0 Ocular disease other than refractive error

Design outcomes

Primary

MeasureTime frame
The difference of pupil diameter between under far viewing and near viewing measured using a binocular open field autorefractometer equipped with a pupilometer.

Countries

Japan

Contacts

Public ContactKazuno Negishi

Keio university school of medicine Department of ophthalmology

fwic7788@mb.infoweb.ne.jp.81333598302

Outcome results

None listed

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