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Changes of Visual function and Subjective symptoms before and after cataract operation

Changes of Visual function and Subjective symptoms before and after cataract operation - Changes of Visual function and Subjective symptoms before and after cataract operation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000023037
Enrollment
750
Registered
2016-07-06
Start date
2016-03-23
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

None listed

Sponsors

Keio university school of medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients who had cataract operation and are 20 years old or more.

Exclusion criteria

Exclusion criteria: Patients who are judged to be inappropriate as a subject due to various reasons, such as the patients can't undergo ocular examinations or reply the questionnaires because of decreased cognitive function.

Design outcomes

Primary

MeasureTime frame
Subjective Happiness Scale

Secondary

MeasureTime frame
quality of sleep, visual function

Countries

Japan

Contacts

Public ContactKazuno Negishi

Keio university school of medicine Department of ophthalmology

fwic7788@mb.infoweb.ne.jp81333598302

Outcome results

None listed

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