Dr. Ashok Rangarajan

MS; DNB; FRCS (Glasgow)

Chief Ophthalmic Surgeon and Medical Director, Centre for Eye and Health Care, Chennai

1 article

Dr Ashok Rangarajan is an ophthalmic surgeon who is passionate about quality care, complete patient satisfaction, ethical and evidence-based practice of ophthalmology. Dr Ashok Rangarajan is currently the Chief Ophthalmic Surgeon and Medical Director of Centre for Eye and Health Care located in Thoraipakkam in Chennai. This is a complete Ophthalmic care hospital with state-of-the-art facilities for the most modern ophthalmic surgeries, retinal lasers and investigations for diagnosing and treating, various eye conditions especially computer vision syndrome, cataract, retinal conditions and glaucoma. He graduated from the University of Calcutta and completed MS in Ophthalmology from Pt Ravishankar Shukla University at Raipur. He is also passed Diplomate of the National Board of Examinations (DNB) in Ophthalmology. He pursued Comprehensive Fellowship from Sankara Nethralaya with special focus on retina, cataract, glaucoma and refractive surgeries. He was awarded with FRCS(Glasgow) in Ophthalmology and he did observership in retinal vascular conditions from Wills Eye Hospital in Philadelphia, USA and in Glaucoma from Moorfields Eye Hospital, London. He has worked Senior Consultant Ophthalmic Surgeon at Sankara Nethralaya in Chennai for over a decade, with similar roles in Dubai and Nigeria with a total ophthalmic work experience of over 25 years His main areas of expertise and vast experience are cataract (Microphaco / Femto-phaco with use of advanced lenses for spectacle free vision), refractive surgery (LASIK/ICL/CXL), glaucoma surgery and combined cataract and glaucoma surgeries and lasers and special injections for retinal disorders. He is a trainer in the art of ocular microsurgery, trains postgraduates and fellows, has been a chief instructor for courses in the American society of cataract and refractive surgery(ASCRS), All India Ophthalmic society(AIOS), has numerous presentations in national and international conferences.

  1. Articles 1 Apr 2021 7 min read

    Ten Pearls for Phacoemulsification in a Hard Cataract

    Phacoemulsification of the very dense cataract presents the surgeon with a series of specific and difficult challenges. How hard is hard and what level of hardness makes it challenging depends largely on the experience of the surgeon. LOCS III classification does not always reveal the real hardness of the cataract, and that aside there is no definition in the literature that classifies the hardness of cataract. A hard cataract is a relative term relative to the surgeon’s experience and confidence! I have over the years put some criteria for myself when I call it a difficult situation. These are dark brown to the black nucleus, no visibility of the posterior slit beam due to the nuclear sclerosis, an older patient, diabetic patient, and preoperative poor vision. Ocular co-morbidities such as pseudo exfoliation, absence of pupillary ruff and calcific spots on the anterior capsule are some of my personal markers which add further to an already challenging surgery Pearl 1: Preoperative con