# Effects of Low Concentration Atropine on Pupillary Size and Accommodative Amplitude

> **NCT03699423** · PHASE1 · COMPLETED · sponsor: **Hai Yen Eye Care** · enrollment: 58 (actual)

## Conditions studied

- Myopia

## Interventions

- **DRUG:** 0.01% atropine eye drops
- **DRUG:** 0.02% atropine eye drops
- **DRUG:** 0.03% atropine eye drops

## Key facts

- **NCT ID:** NCT03699423
- **Lead sponsor:** Hai Yen Eye Care
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-03-08
- **Primary completion:** 2018-04-30
- **Final completion:** 2018-04-30
- **Target enrollment:** 58 (ACTUAL)
- **Last updated:** 2018-10-09

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03699423

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03699423, "Effects of Low Concentration Atropine on Pupillary Size and Accommodative Amplitude". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT03699423. Licensed CC0.

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