Dr. Natarajan’s influence on Indian ophthalmology is most structurally evident through his long-term leadership within the All India Ophthalmological Society (AIOS). . Since joining AIOS in 1993, he has played a central role in shaping national academic standards, research priorities, and public health direction.
His AIOS leadership trajectory includes:
- Scientific Committee Member (1993–1999)
- Chairman, Scientific Committee (2002–2008)
- Chairman, Academic & Research Committee (2008–2011)
- Editor, Indian Journal of Ophthalmology (2011–2017)
- Vice President (2017–2018)
- President-Elect (2018–2019)
- President (2019–2020)
- Immediate Past President (2020–2021)
- Chairman, International Committee of Diabetic Retinopathy Screening (2021–2022)
- Advisory Role, AIOS National Diabetic Retinopathy Task Force (2023–2024)
Under his leadership, AIOS expanded its focus from traditional academic conferencing to structured nationwide initiatives, particularly in diabetic retinopathy screening, preventive ophthalmology, and standardized postgraduate education.
In recognition of his visionary leadership, relentless dedication, and outstanding contributions to Indian ophthalmology, Dr. Natarajan was honored with the prestigious Lifetime Achievement Award in 2026. His work has transformed countless lives and continues to inspire generations of eye care professionals.