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A multicenter intervention study for assessing the agreement of the Head-Mounted Perimeter 'imo' in its comparability with Humphrey Field Analyzer in detecting visual field defects in patients with brain diseases

A multicenter intervention study for assessing the agreement of the Head-Mounted Perimeter 'imo' in its comparability with Humphrey Field Analyzer in detecting visual field defects in patients with brain diseases - Agreement of 'imo' wit Humphrey in detecting visual field defects in patients with brain diseases

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000024540
Enrollment
42
Registered
2016-10-31
Start date
2017-03-01
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

Patients with visual field defects caused by brain diseases

Interventions

Test visual field with 1)imo binocular random single eye test and 2)Humphrey in order on the test day1 and then re-test visual field with the two perimeters in the same order on the test day2 3 to 6 m

Sponsors

Kobe University Graduate School of Medicine Division of Ophthalmology Department of Surgery
Lead Sponsor
Kitasato University Hospital The University of Tokyo Hospital
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients with visual field defects caused by brain diseases who are between 20 and 70 years old 2) Patients with visual field defects in Humphrey caused by brain disease 3) Male and Female 4) Outpatients 5) Patients with written informed consent by their free will

Exclusion criteria

Exclusion criteria: 1) Patients without binocular vision 2) Patients with intraocular and intracerebral operations within one month of the study 3) Patients who cannot keep fixation of their eyes 4) Patients with visual field defects caused by diseases other than brain disease 5) Patients with difficulties in keeping the posture during the visual field tests 6) Patients who seem to be inappropriate for the study

Design outcomes

Primary

MeasureTime frame
Rate of agreement of detection of visual field defects between 'imo' binocular random single eye test and Humphrey.—

Countries

Japan

Contacts

Public ContactMari Sakamoto

Kobe University Graduate School of Medicine Division of Ophthalmology Department of Surgery

mariwsakamoto@people.kobe-u.ac.jp078-382-6048

Outcome results

None listed

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