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Effect of Visual Impairment on Quality of Life by Eye Disease in Japan

Effect of Visual Impairment on Quality of Life by Eye Disease in Japan - Effect of Visual Impairment on Quality of Life by Eye Disease in Japan

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000044856
Enrollment
500
Registered
2021-07-14
Start date
2021-07-01
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

retinal pigmentosa, age-related macular degeneration, corneal degeneration, severe diabetic retinopathy, glaucoma, cataract, and 50 healthy individuals as controls.

Interventions

None listed

Sponsors

Toho University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Visually impaired patients aged 20 years and older (good visual acuity in one eye is less than 0.5) who visit our ophthalmology clinic.

Exclusion criteria

Exclusion criteria: Developmental abnormalities, behavioral disorders, and dementia cases that make vision screening difficult

Design outcomes

Primary

MeasureTime frame
the impact of vision impairment (IVI)

Countries

Japan

Contacts

Public ContactSaiko Matsumura

Toho University School of Medicine Department of Ophthalmology

saiko.matsumura@med.toho-u.ac.jp0337624151

Outcome results

None listed

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