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Dr. Dipankar Das

Sri Sankaradeva Nethralaya

ORCID iD 0000-0001-5699-3767
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About

Dipankar Das, MBBS, MS (Ophthalmology) works at Sri Sankaradeva Nethralaya, Guwahati, Assam, India as a senior consultant, HOD (Uvea & Ocular Pathology) in the department of ocular pathology, uveitis & neuro-ophthalmology services. After completion of his ophthalmology residency in Guwahati Medical College, Assam, he did a fellowship in general ophthalmology at Sri Sankaradeva Nethralaya and another in ocular pathology at Sankara Nethralaya, Chennai, under Dr. Jyotirmay Biswas and Dr. S. KrishnaKumar. He also completed a fellowship in uvea at the same time under Dr. Biswas in 2002. At the conference of the ophthalmological society of Assam (OSA), he had won the first Dr. K R Dutta best scientific paper award in 2004 for ‘CMV Retinitis: First case report in northeast India’. In 2014, he received the best scientific poster award in the Uveitis Society of India annual conference in New Delhi, for his poster on ‘Parasitic Uveitis’. In 2015, he got best scientific free paper award in ocular trauma society of India meet at Guwahati, India. At the 76th All India Ophthalmic Conference at Coimbatore, India-2018, his scientific paper was awarded the best in ocular pathology session. At 78th AIOC-Gurugram-India-2020, he received IJO- Best Paper Award for one of his publications in 2019. He had got many other awards as author and co-author for his scientific works. He had delivered the first Smt. Puspa Das Memorial Oration at the 46th ophthalmic society of West Bengal (OSWB) meet 2015, other oration and lectures in "i-Focus" and "Proton Series". He has 214 peer reviewed scientific publications including 25 text-books chapters; more than 315 national & international presentations and is a member of several state, national and international level ophthalmology and pathology organizations. Dr. Das had published “Atlas of Ocular Pathology” from Springer Nature in 2025. He had coined “Efferocytosis in retinoblastoma” for unique apoptotic changes in cancer biology and published in the journal of cancer therapy (2013). Dr. Das had described a new rosette in pathology of retinoblastoma (2014) and reported that this revealed "Das rosette" was associated with poor prognosis of retinoblastoma (2017). He had also discovered a staining method in ophthalmic pathology/microbiology and had significant contributions on pathology of ocular parasitic diseases in last decade. His discoveries include rapid pathological diagnosis of live worms in ophthalmic pathology; Raman spectra and FESEM studies in retinoblastoma seeds; post chemotherapy retinal pigment epithelium atrophic changes in retinoblastoma pathology; live cells cytology in leukemia; documented first endothelial podosome rosette found in human cavernous hemangioma; reported first case of intraocular IgG4 related disease mimicking ciliary body melanoma; discovered and published optic nerve as human biometric signature; found evidence of zonular stress lines in human crystalline lens in pathological samples; discovered in-vitro Laser use in retinoblastoma seeds etc. Dr. Das is a co-inventor of a patent for “Point-of-Care-Testing Devices for Diverse Diseases from Human Tear Biomarkers” (Patent No.: 569661, Application No. 201931028121; dated 8.8.2025). He had also contribution in describing various other disease related pathologies for the first time in the scientific world including nuances in ocular pathology imaging. Dr. Das made his mark in an official Guinness World Records title For AI curriculum most viewed in YouTube by NBEMS, MoH&FW, India on 25.2.2026. Recently, he was recognised as “World top 5% scientists” by SciRank Global. Dr. Das and the Institution are having collaborative works with Sankara Nethralaya, Chennai; Veterinary Science College, Khanapara, Guwahati; NIPER-Guwahati and IIT-Guwahati, India. He is a reviewer of various prestigious ophthalmic journals. In 2011, he did an observership in inflammation, uveitis and ophthalmic pathology at Doheny Eye Institute, Keck School of Medicine, University of Southern California, Los Angeles, USA under Prof. Narsing A Rao. Currently, he had completed number of projects as a co-investigator under DBT/ICMR in the institute. Dr. Das is thesis guide of ophthalmology post graduate students in the Institute under Diplomate of National Board, National Board of Examination, Ministry of Health, Government of India. He is an external examiner of NBEMS, DNB ophthalmology practical examinations. He has also been a vital part as principal investigator of many multicenter international drug trials in uveitis and neuro-ophthalmology. Dr. Das have become member of Institute Human Ethics Committee (IHEC) of Indian Institute of Technology (IIT) Guwahati, India and IEC member of Dr. Bhubaneswar Borooah Cancer Institute (Dr. BBCI). He is a member of International Uveitis Study Group (IUSG) and International Society of Ocular Oncology (ISOO), IOIS and so on. He has keen interest in photography and is an accomplished English poet.

Employment

  • Sri Sankaradeva Nethralaya Senior Consultant; HOD: Ocular Pathology-Uveitis
    2002 - Present
  • Sri Sankaradeva Nethralaya Senior Consultant and Ocular Pathologist, Head of the Department: Uvea-Ocular Pathology, Department of Uveitis, Ocular Pathology & Neuro-ophthalmology Services
    2002 - Present

Education

  • Sri Sankaradeva Nethralaya
    2002 - Present

Projects & Funding

Projects & funding information is unavailable.

Publications (6)