# Ultrasonographic Measurement of the Optic Nerve Sheath Diameter in the Taiwanese Healthy Volunteers

> **NCT04600570** · — · RECRUITING · sponsor: **National Taiwan University Hospital** · enrollment: 200 (estimated)

## Conditions studied

- Normal Diameter of Optic Nerve

## Interventions

- **OTHER:** ultrasound

## Key facts

- **NCT ID:** NCT04600570
- **Lead sponsor:** National Taiwan University Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2020-10-16
- **Primary completion:** 2026-10-15
- **Final completion:** 2026-12-15
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2025-06-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04600570

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04600570, "Ultrasonographic Measurement of the Optic Nerve Sheath Diameter in the Taiwanese Healthy Volunteers". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04600570. Licensed CC0.

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