Confirm accuracy and precision of an integrated measurement instrument for objective Refraction, and axial length, etc.

Confirm accuracy and precision of an integrated measurement instrument for objective Refraction, Axial length, and fundus shape - Confirm accuracy of an ophthalmology measurement instrument

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000038514

Enrollment

Registered

2020-01-01

Start date

2019-10-18

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

Myopia

Interventions

Use of unapproved medical device

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: No pathological disease other than abnormal refraction

Exclusion criteria

Exclusion criteria: Funfus disease, Disease of anterior part.

Design outcomes

Primary

Measure	Time frame
Spherical error and astigmatism of objective refraction, corneal topography, and axial length etc.	—

Countries

Japan

Contacts

Public ContactToshifumi Mihashi

University of Tsukuba Faculty of Medicine

tmihashi@live.jp029-853-3148

Outcome results

None listed

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