Classification of congenital and acquired color vision defect degree using Panel D-15

Classification of congenital and acquired color vision defect degree using Panel D-15 - Classification of congenital and acquired color vision defect degree using Panel D-15

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000026219

Enrollment

Registered

2017-02-22

Start date

2017-02-22

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

congenital and acquired color vision defect

Interventions

1) Ishihara test chart, color vision test chart 2) Panel D-15 3) Lantern test 4) Anomaloscope 5) Modified D-15 4 of above tests will be conducted once for each test subject.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: A subject with congenital and acquired color vision defect. As for acquired color vision defect, cataract, glaucoma, retinal disease, and optic nerve disease are included.

Exclusion criteria

Exclusion criteria: As for congenital color vision defect, subject without other optic disease and acquired color vision defect. As for acquired color vision defect, subject should not have congenital color vision defect.

Design outcomes

Primary

Measure	Time frame
Comparison with the following results: 1) Ishihara test chart, color vision test chart 2) Panel D-15 3) Lantern test 4) Anomaloscope 5) Modified D-15	—

Countries

Japan

Contacts

Public ContactYoshiki Tanaka

Chukyo Eye Clinic Color Vision Research Institute

ytanaka@chukyomedical.co.jp052-883-1543

Outcome results

None listed

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