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

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000052506

Enrollment

Registered

2023-10-17

Start date

2023-10-17

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

vestibular disorders

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

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

Exclusion criteria

Exclusion criteria: Those who are considered inappropriate by the principal investigator or co-investigators.

Design outcomes

Primary

Measure	Time frame
Number and slow-phase velocity of nystagmus induced by head shaking test during observation with the new loupes, conventional Frenzel goggles and infrared video nystagmus goggles.	—

Secondary

Measure	Time frame
Slow phase velocity of nystagmus while observing spontaneous nystagmus with the new loupes, Frenzel goggles, and infrared video nystagmus goggles.	—

Countries

Japan

Contacts

Public ContactReiko Tsunoda

Mejiro University Ear Institute Clinic

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

Outcome results