# Comparison of Objective and Subjective Changes Induced by Multiple Pinhole Glasses and Single Pinhole Glasses

> **NCT02572544** · NA · UNKNOWN · sponsor: **Chung-Ang University Hosptial, Chung-Ang University College of Medicine** · enrollment: 30 (estimated)

## Conditions studied

- Functional Vision Changes

## Interventions

- **DEVICE:** Trayner Pinhole Glasses (Trayner Glasses, Ivybridge Devon, U.K.)

## Key facts

- **NCT ID:** NCT02572544
- **Lead sponsor:** Chung-Ang University Hosptial, Chung-Ang University College of Medicine
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2015-10
- **Primary completion:** 2015-10
- **Final completion:** —
- **Target enrollment:** 30 (ESTIMATED)
- **Last updated:** 2015-10-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02572544

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02572544, "Comparison of Objective and Subjective Changes Induced by Multiple Pinhole Glasses and Single Pinhole Glasses". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT02572544. Licensed CC0.

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