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Recruiting NCT04629820

PROductivity Study of Presbyopia Elimination in Rural-dwellers II

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Trial Parameters

Condition Presbyopia
Sponsor Queen's University, Belfast
Study Type INTERVENTIONAL
Phase N/A
Enrollment 800
Sex ALL
Min Age 35 Years
Max Age N/A
Start Date 2023-08-03
Completion 2024-06-30
Interventions
Spectacles

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Brief 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.

Eligibility Criteria

Inclusion Criteria: * Aged 35 years and older * Have presbyopia, defined as an unaided near visual acuity of N6.3 or worse in both eyes * Require a new pair of glasses to improve their near vision * Have a corrected near visual acuity of N4 or better in both eyes * Have worked in Shahi's production department as tailors or Kajbutton operators for 6 weeks or more Exclusion Criteria: * Have ocular pathology in either eye detected during the eye examination, or history of such disease based on self-report * Have a low likelihood of completing follow-up in the study due to current plans to move out of the area or leave employment at Shahi during the follow-up period

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