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availability assessment of visual dynamic range test on selection of color filter glasses

availability assessment of visual dynamic range test on selection of color filter glasses - assessment of visual dynamic range test

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000032287
Enrollment
220
Registered
2018-04-18
Start date
2018-01-04
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

photophobia

Interventions

with/without a color filter glasses

Sponsors

NEXT VISION (a public interest incorporated association)
Lead Sponsor
Osaka University, Niigata University, Dokkyo Medical University, The Jikei University School of Medicine, Kobe Eye Center Hospital
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: patients with a color-filter glasses to reduce the photophobia affecting in their life, and the healthy controls

Exclusion criteria

Exclusion criteria: persons without understanding about our study plan

Design outcomes

Primary

MeasureTime frame
Properties of visual dynamic range (the proportion of pure white and pure black, and the response time) with and without a color filter glasses—

Secondary

MeasureTime frame
Assessment scores about photophobia, headache and daily behavior, age, sex and causative disease—

Countries

Japan

Contacts

Public ContactChikako Yamada

NEXT VISION (a public interest incorporated association) NEXT VISION (a public interest incorporated association)

yamada@nextvision.or.jp078-304-4455

Outcome results

None listed

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