Development of the device for the visual evaluation and improvement

Development of the device for the visual evaluation and improvement - The device for the visual evaluation and improvement

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000020559

Enrollment

Registered

2016-12-05

Start date

2016-02-01

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

Eye disease

Interventions

Evaluate of the most usable area in the retina, and do the training to see the object using the area. Evaluation and training would be completed at once. If the patient would like to do it again, then

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Low-vision patients and normal volunteer

Exclusion criteria

Exclusion criteria: Patients that the doctor judged as not suitable for the candidate.

Design outcomes

Primary

Measure	Time frame
Quality of life (QOL) related to the vision (evaluated by VFQ-25 score) stability of the preferred retinal locus, visual acuity, reading performance	—

Secondary

Measure	Time frame
Relationships between the QOL and the each parameter.	—

Countries

Japan

Contacts

Public ContactSatoshi Ishiko

Asahikawa Medical University Ophthalmology

ishiko@asahikawa-med.ac.jp0166-68-2543

Outcome results

None listed

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