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PROductivity Study of Presbyopia Elimination in Rural-dwellers (PROSPER)

NCT03228199 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 751

Last updated 2017-12-27

No results posted yet for this study

Summary

This trial seeks to establish, using a randomized, controlled design, the impact of near eyesight correction on the productivity of presbyopic agricultural workers in India, as measured by weight of tea picked.

Conditions

Interventions

OTHER

Intervention group

Will immediately receive a free pair of presbyopic glasses through the Clear Vision Workplace program. These glasses will correct the worker's vision at their usual working distance, and will not correct astigmatism.

OTHER

Control Group

Will be deferred to receive spectacles as above, after the 12 week evaluation period.

Sponsors & Collaborators

  • Queen's University, Belfast

    collaborator OTHER

  • Clearly

    collaborator OTHER

  • COMMUNITY EYE CARE FOUNDATION (CECF)

    collaborator UNKNOWN

  • Aravind Eye Care System

    collaborator OTHER

  • University of British Columbia

    collaborator OTHER

  • Amalgamated Plantations Private Limited

    collaborator UNKNOWN

  • VisionSpring

    collaborator OTHER

  • Congdon Nathan

    lead OTHER

Principal Investigators

  • Nathan Congdon · Queen's University, Belfast

Study Design

Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
40 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2017-07-24
Primary Completion
2017-10-07
Completion
2017-10-28

Countries

  • India

Study Locations

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Entities

Diseases

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 NCT03228199 on ClinicalTrials.gov