UnknownNot Applicable

PROductivity Study of Presbyopia Elimination in Rural-dwellers II

India800 participantsStarted 2023-08-03

Plain-language 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.

Who can participate

Age range35 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

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

What they're measuring

Difference in change in mean efficiency between intervention and control group

Timeframe: Over the three month follow-up period from enrolment to study completion

Trial details

NCT IDNCT04629820

SponsorQueen's University, Belfast

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2024-06-30

Contact for this trial

Nathan G Congdon, MD, MPH

07748751393 ncongdon1@gmail.com

View on ClinicalTrials.gov More Presbyopia trials