# PROductivity Study of Presbyopia Elimination in Rural-dwellers III

> **NCT04654013** · NA · UNKNOWN · sponsor: **Queen's University, Belfast** · enrollment: 1291 (actual)

## Conditions studied

- Presbyopia

## Interventions

- **DEVICE:** Spectacles

## Key facts

- **NCT ID:** NCT04654013
- **Lead sponsor:** Queen's University, Belfast
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-05-21
- **Primary completion:** 2023-03-30
- **Final completion:** 2025-06-05
- **Target enrollment:** 1291 (ACTUAL)
- **Last updated:** 2024-04-29

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04654013

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04654013, "PROductivity Study of Presbyopia Elimination in Rural-dwellers III". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04654013. Licensed CC0.

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