Investigation of the Effect of Pupil Area on Electroretinogram Recordings Under Dark Adaptation Conditions

Investigation of the Effect of Pupil Area on Electroretinogram Recordings Under Dark Adaptation - Mesopic ERG Study

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000057933

Enrollment

Registered

2025-06-30

Start date

2025-07-01

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

None listed

Interventions

The subject will instill pilocarpine eye drops twice at five-minute intervals.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy adults without ocular disease Aged 18 years or older Able to provide written informed consent after receiving an explanation of the study

Exclusion criteria

Exclusion criteria: History of hypersensitivity to pilocarpine eye drops Use of a cardiac pacemaker History or suspected history of epilepsy Presence of bronchial asthma Pregnant or breastfeeding individuals Judged as inappropriate for participation by the principal or sub-investigator

Design outcomes

Primary

Measure	Time frame
Changes in implicit time and amplitude of rod response under dark-adapted conditions	—

Countries

Japan

Contacts

Public ContactKumiko Kato

Mie University Ophthalmology

k-kato@clin.medic.mie-u.ac.jp0592311111

Outcome results