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Vision Unlimited research and evaluation in the community

Evidence That
Changes Lives

At Vision Unlimited, we believe every child deserves the opportunity not only to learn, but to thrive. Our programmes are designed to address the complex realities of children and families living in urban slums, where education, health, nutrition, early childhood development, and social wellbeing are deeply interconnected.

What makes Vision Unlimited unique is our commitment to measuring impact. Every programme is evaluated, every intervention is refined, and whenever possible, our findings are shared through peer-reviewed publications and international academic collaborations.

Peer-reviewed publications across ophthalmology, public health, education, psychiatry and community medicine

International conference presentations and cross-disciplinary academic collaborations

Community-based implementation research and longitudinal educational outcome studies

Thousands of children and families represented in research that improves our programmes

What We Study

Research Themes

Our work currently spans the interconnected factors that shape a child's life in an urban slum community.

Early Childhood Development Education & School Readiness Public Health Community Health Eye Health Nutrition Women's Empowerment Healthcare Navigation Mental Health Socioemotional Learning Environmental Health Urban Poverty Health Equity Child Development Implementation Science
Our Research

Peer-Reviewed Publications

Frontline community experience, published as evidence that can improve policy, healthcare, education, and child development — in India and globally.

Global South Healthcare Journal
Healthcare Navigation by Slum School Teachers

Teachers are often the most trusted adults in underserved communities. This paper demonstrates how teachers working in Vision Unlimited's After School Clubs became effective healthcare navigators, helping families access primary healthcare, government services, immunisation, referrals, and follow-up care.

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Indian Journal of Ophthalmology
Ocular Morbidity Profiles of Out-of-School Children in an Urban Slum (2024)

One of the first studies describing eye diseases among out-of-school children living in urban slums. The research identified allergic eye disease, vitamin A deficiency and visual health needs within this vulnerable population, providing valuable evidence for future school eye health programmes.

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Intl. Journal of Community Medicine & Public Health
Hygiene Education in Urban Slums (2023)

This intervention demonstrated that simple hygiene education combined with practical support — including soap, detergent and clothing — significantly improved hygiene practices among vulnerable children attending Vision Unlimited's After School Clubs.

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Indian Journal of Social Psychiatry
After School Clubs: Fostering Protective Factors

This study explored how After School Clubs strengthen protective factors, reduce behavioural risks, foster belonging, and potentially reduce gang affiliation among vulnerable adolescents.

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Indian Journal of Community Health
Determination of Lung Health Amongst Children Living in Urban Slums

This community-based study examined household air pollution, cooking fuels and lung function in children living in urban slums, highlighting environmental determinants of child health.

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Intl. Journal of Advanced & Integrated Medical Sciences
Theatre as a Modality for Socioemotional Learning

This paper describes the implementation of theatre-based socioemotional learning within Vision Unlimited's After School Clubs and demonstrates improvements in confidence, empathy, communication and collaboration.

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Research
Daycare as a Catalyst

This research explores how affordable community daycare improves maternal employment while simultaneously increasing school attendance among older siblings — particularly girls — demonstrating how early childhood programmes generate benefits across the entire family.

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Conference Presentations

The European Conference on Education
Reimagining Access to Education: The Impacts of Learning Centres for Marginalised Students in Haryana During the Pandemic
University College London, London

Research Reports

  • Ethnographic Impact Assessment
  • ASER Longitudinal Educational Assessments
  • Programme Evaluation Reports
  • Theory of Change Development
  • Community Health Assessments
Working Together

Academic Collaborations

Vision Unlimited has collaborated with researchers, clinicians and institutions across disciplines, translating community-based programmes into evidence that informs both practice and policy.

Public Health Ophthalmology Psychiatry Education Community Medicine Child Development Social Sciences
Mayo Clinic, Jacksonville, Florida, USA
Florida Atlantic University, Charles E. Schmidt College of Medicine, USA
University of California, San Diego, USA
Indian Institute of Technology (IIT) Delhi, India
PGIMER, Chandigarh, India
Government Medical College & Hospital, Chandigarh, India
Guru Nanak Eye Centre, New Delhi, India
Maulana Azad Medical College, New Delhi, India
Chacha Nehru Bal Chikitsalaya, New Delhi, India
Fortis Memorial Research Institute, Gurugram, India
Shiv Nadar School, Gurugram, India
Dr. Shibal Bhartiya, Research Lead at Vision Unlimited
Research Leadership

Dr. Shibal Bhartiya

Ophthalmologist, Glaucoma Specialist & Founder, Vision Unlimited

Vision Unlimited's research programme is led by Dr. Shibal Bhartiya, an ophthalmologist, glaucoma specialist, clinician-scientist, and Founder of Vision Unlimited. With more than 200 peer-reviewed publications, 28 textbooks, and editorial leadership of two international journals, Dr. Bhartiya's work spans clinical ophthalmology, public health, child development, education, and implementation science.

Under Dr. Bhartiya's leadership, Vision Unlimited has embedded research into every stage of programme design, ensuring that community interventions are rigorously evaluated, continuously refined, and shared through peer-reviewed publications, international collaborations, and scientific presentations. By transforming frontline experience into evidence, the organisation aims to develop practical, scalable solutions that improve the lives of vulnerable children and families while contributing to global knowledge in community health and education.

More About Our Founder
Research With Purpose

Why We Publish

Publishing our work is not an academic exercise — it is part of our mission. Children living in underserved communities are often invisible within scientific literature. By documenting their experiences and evaluating our interventions, we aim to strengthen the evidence base for programmes that improve education, health, wellbeing and opportunity.

Every publication represents real children, real families and real communities. By sharing what works — and what can be improved — we hope to help organisations, researchers and policymakers create better futures for vulnerable children everywhere.

"Evidence is not the end goal — it is the bridge between compassion and lasting change."

Interested in collaborating, supporting our research, or partnering with Vision Unlimited?