Evaluation of visual function when wearing blue and yellow light cut lenses

Evaluation of visual function when wearing blue and yellow light cut lenses - Evaluation of visual function when wearing blue and yellow light cut lenses

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000042575

Enrollment

Registered

2021-04-01

Start date

2019-04-01

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

cataract

Interventions

Ocular axis length, refractive measurements, no blue and yellow light cut lenses, blue and yellow-it cut lenses

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Study subjects must have corrected visual acuity of 1.0 or better without eye diseases (trauma, retinal detachment, severe dry eye, corneal disease) and without color blindness

Exclusion criteria

Exclusion criteria: 1. those with corrected vision 1.0 or less 2. those with astigmatism of -1.00 D or greater 3. those who have poor fixation of 10% or more, false positives and false negatives of 20% or more on the visual field test 4. a person with color blindness

Design outcomes

Primary

Measure	Time frame
Age, gender, ocular axis length, refraction, non-use of blue and yellow light cut lenses, use of blue and yellow-it cut lenses	—

Countries

Japan

Contacts

Public ContactTakushi Kawamorita

Kitasato University Department of Orthoptics and Visual Science

kawa2008@kitasato-u.ac.jp0427789662

Outcome results

None listed

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