Dr Nanavaty is a cataract, cornea and refractive surgery Consultant. His NHS base is at the Sussex Eye Hospital, University of Sussex NHS Foundation Trust, Brighton and is an honorary senior clinical lecturer at the Brighton & Sussex Medical School. He also works privately through the Nuffield Hospitals and the Sussex Eye Hospital (out of hours only).

Dr Nanavaty's areas of clinical interests are medical and surgical cornea, external eye disease, cataract and refractive surgery. He has been a key opinion leader for intraocular lens implants for the past decade. He is the lead for cataract, corneal crosslinking, contact lens & research departments at the Sussex Eye Hospital. He has received several research grants from prestigious institutions and industry to conduct clinical studies in the National Health Services (NHS). His areas of research interest include astigmatism, wavefront aberrations, ectatic corneal disorders, endothelial disease, lamellar corneal transplant surgeries, quality of vision in pseudophakic, cataract surgical techniques, intraocular lenses, and posterior capsule opacification.

Mr Nanavaty regularly publishes in journals and has had several publications including randomized controlled trials, Cochrane review, case-control studies, cohort studies and retrospective studies in high impact peer-review literature and over 300 national and international presentations. He regularly contributes as an organizer, committee member, panellist, or faculty member at several national and international ophthalmology meetings and organizations including the ESCRS, ASCRS, AAO, RCOphth, BSRS, etc. He is a member of the Scientific Committee, the Certificate of Laser refractive Surgery Examination committee, and the Cataract surgery workforce committee at the Royal College of Ophthalmologists. He has been on the UKISCRS council since 2014 and the program lead and Hon. Secretary. He is also an external examiner at Ulster University.