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PROductivity Study of Presbyopia Elimination in Rural-dwellers II

NCT04629820 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 800

Last updated 2024-04-29

No results posted yet for this study

Summary

The investigators will conduct a randomized-controlled trial. The participants will be textile workers aged 35 years and above with uncorrected presbyopia who are employed by a single Indian garment manufacturer - employed by Shahi Exports Private Limited, Karnataka, India - at facilities equipped to measure individual productivity. PROSPER II will assess the impact of free reading glasses on productivity for workers in a textile factory.

Conditions

Interventions

DEVICE

Spectacles

Intervention group workers receive free glasses within one week of undergoing vision assessment (September 2021). The assessment period will be three months

Sponsors & Collaborators

  • VisionSpring

    collaborator OTHER

  • University of Michigan

    collaborator OTHER

  • Good Business Lab

    collaborator UNKNOWN

  • Zhongshan Ophthalmic Center, Sun Yat-sen University

    collaborator OTHER

  • Clearly

    collaborator OTHER

  • Queen's University, Belfast

    lead OTHER

Principal Investigators

  • Nathan G Congdon, MD, MPH · Queen's University, Belfast

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
35 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2023-08-03
Primary Completion
2024-06-30
Completion
2024-06-30

Countries

  • India

Study Locations

More Related Trials

Entities

Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04629820 on ClinicalTrials.gov