Skip to content

The economic effects of free near-vision glasses in working-age people with bilateral presbyopia in India

Randomised controlled trial of the Economic Advantages of Readers for Near vision in India

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN11105125
Enrollment
10000
Registered
2025-05-20
Start date
2026-02-21
Completion date
Unknown
Last updated
2026-03-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Presbyopia Eye Diseases

Interventions

Sponsors

London School of Hygiene & Tropical Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
35 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Bilateral presbyopia (6 months and intend to continue living there for the next 2 years 4. Provide informed consent and agreement to be randomly allocated to one of the two study arms

Exclusion criteria

Exclusion criteria: 1. Presbyopia and owns near vision glasses (met need or partially met need) 2. Pinhole distance VA of worse than 6/12 in the better eye 3. Current illness or incapacity preventing the individual from working 4. Inability to communicate 5. Any occupation with formal guidance requiring safety glasses for near work 6. Another member of the household has already been enrolled on the trial

Design outcomes

Primary

MeasureTime frame
1. Household consumption measured using an adapted version of the Kenya Life Panel Survey-round 4 (KLPS-4) at baseline, 1 year and 2 years 2. Vision-related quality of life measured using the WHO/VFQ20 Questionnaire at baseline, 1 year and 2 years

Secondary

MeasureTime frame
1. Employment status and characteristics measured using an adapted version of the Kenya Life Panel Survey-round 4 (KLPS-4) at baseline, 1 year and 2 years 2. Self-reported productivity (presenteeism and absenteeism) measured using an adapted version of the Work Productivity and Activity Impairment Questionnaire (WPAI - SHP) at baseline, 1 year and 2 years 3. Self-reported income sufficiency measured using an adapted version of the 2019 Gambia National Eye Health Survey at baseline, 1 year and 2 years 4. Self-reported individual income measured using an adapted version of the Kenya Life Panel Survey-round 4 (KLPS-4) at baseline, 1 year and 2 years 5. Health-related quality of life measured using the EQ5D with vision bolt-on question at baseline, 1 year and 2 years

Countries

India

Contacts

Public ContactDeepak;Malebogo Bhagat;Tlhajoane

;

deepak.bhagat@sceh.net;malebogo.tlhajoane@lshtm.ac.uk+91 (0)11 43524444;+44 (0)20 7958 8315

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Apr 3, 2026