Investigation of the usefulness of a new portable Fresnel magnifying loupe for nystagmus observation

Investigation of the usefulness of a new portable Fresnel magnifying loupe for nystagmus observation - Investigation of the usefulness of a new portable Fresnel magnifying loupe for nystagmus observation

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000051415

Enrollment

Registered

2023-06-22

Start date

2023-06-23

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

Healthy volunteers

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Those who understand the content of the research and have given their consent to participate in the research.

Exclusion criteria

Exclusion criteria: Those who have a history of vertigo. Those who are considered inappropriate by the principal investigator or investigator.

Design outcomes

Primary

Measure	Time frame
Slow phase velocity of nystagmus induced by the caloric test during observation with the new loupes, Frenzel goggles, and naked eye.	—

Secondary

Measure	Time frame
Visibility of nystagmus when observed with the new loupes, Frenzel goggles, and naked eye.	—

Countries

Japan

Contacts

Public ContactReiko Tsunoda

Mejiro University Ear Institute Clinic

r.tsunoda@mejiro.ac.jp+81-48-797-3341

Outcome results