Effects of divergence on near visual function

Effects of divergence on near visual function - Effects of divergence on near visual function

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021354

Enrollment

Registered

2016-03-15

Start date

2016-03-15

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

Visually healthy adult volunteers

Interventions

Divergence eye movement with base-in prisms. The subjects were induced into 4 degrees of esophoria (0~2, 4, 8, 10~16 prism E) by putting the base-in prism. We investigate the objective refraction, n

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Visually healthy young subjects who have corrected visual acuity 1.0 or better without ocular diseases.

Exclusion criteria

Exclusion criteria: Volunteers who have hyperopia, manifest strabismus, intermittent exotropia, post-refractive surgery.

Design outcomes

Primary

Measure	Time frame
Objective refraction	—

Secondary

Measure	Time frame
1. Near binocular visual acuity 2. The rate of variability of pupil diameter 3. The presence or absence of blurred vision	—

Countries

Japan

Contacts

Public ContactNoriko Nishikawa

Asahikawa Medical University Department of ophthalmology

nnori@asahikawa-med.ac.jp0166-68-2543

Outcome results

None listed

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