Accuracy of ocular axial length measurement by immersion B-scan ultrasonography

Accuracy of ocular axial length measurement by immersion B-scan ultrasonography - Accuracy of ocular axial length measurement by immersion B-scan ultrasonography

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000044420

Enrollment

Registered

2021-07-10

Start date

2021-06-10

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

Healthy individuals

Interventions

Use of A-scan ultrasonography, immersion B-scan ultrasonography, and optical biometer

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: A person who was given a written explanation of this study and obtained their consent.

Exclusion criteria

Exclusion criteria: 1.Those who are fear of needles 2.Patients with a history of hypersensitivity to ophthalmic anesthesia or local anesthetic agents 3.pregnant women or those who may be pregnant

Design outcomes

Primary

Measure	Time frame
Comparison of ocular axial length between different models	—

Secondary

Measure	Time frame
Comparison of intra-examiner ocular axial length measurement error for each model Comparison of ocular axial length measurement error between examiners of different models	—

Countries

Japan

Contacts

Public ContactRyosuke Taniguchi

Shinseikai Toyama Hospital Eye Center

r-taniguchi@shinseikai.or.jp0766-52-2156

Outcome results

None listed

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