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General enquiries:
+44 (0)207 935 4444
Book an appointment:
+44 (0)207 616 7693
Self-pay enquiry:
+44 (0)203 219 3315
The London Clinic
Mr Ratnarajan is a Consultant Glaucoma, Cataract and Anterior segment surgeon and offers the full range of minimally invasive glaucoma surgeries as well as premium cataract surgery. Through innovation and excellence, Mr Ratnarajan has improved the quality of care and treatment options available to cataract and glaucoma patients both nationally and internationally.

Specialties and sub-specialties

Dry Eye
Anterior Segment Reconstruction
General Ophthalmology

Professional profile

Mr Ratnarajan is a Consultant Glaucoma, Cataract and Anterior segment surgeon at the prestigious Eye Unit and Eye Bank at Queen Victoria Hospital, East Grinstead where he leads the glaucoma unit and runs a fellowship program. 

Through Innovation and Excellence Mr Ratnarajan’s has improved the quality of care and treatment options available to cataract and glaucoma patients both nationally and internationally. Mr Ratnarajan’s clinic work and research has won numerous international awards and he receives referrals nationally for complex cataract and glaucoma management. Mr Ratnarajan’s innovative approach to treating glaucoma has been broadcast by the BBC and published in the Mail on Sunday (

Mr Ratnarajan graduated from University College London and completed his Ophthalmology training in Oxford. He has completed a MD research degree in at The Institute of Ophthalmology and Moorfields Eye Hospital, London. He has completed three specialist fellowships in glaucoma and anterior segment surgery at The Oxford Eye Hospital, The Western Eye Hospital in London and the world renowned fellowship at the University of Toronto, Canada, where he has learnt and developed many new glaucoma surgeries, some of which are not available in the UK at present. 

Mr Ratnarajan brings innovation in glaucoma and cataract care to the UK to help treat glaucoma patients with safer and more effective treatments.

Mr Ratnarajan takes referrals for cataract, glaucoma, ocular surface disease including dry eyes, floaters and flashes as well as general ophthalmology. 

Specialist interests

  • Complex cataract as well as premium lens implants
  • Specialist cataract surgery for patients with Glaucoma
    Cataract surgery combined with minimally invasive glaucoma surgery (MIGS) to prevent glaucoma progression and reduce the dependence on glaucoma drops. 
  • MIGS techniques, including
    • Endoscopic Cyclophotocoagulation (ECP Laser)
    • iStents 
    • Xen gel implants
    • Preserflo microshunt
    • Goniotomy
    • Visco-expansion

Comprehensive Glaucoma care

  • Glaucoma diagnosis
  • Laser treatment including Selective Laser Trabeculoplasty (SLT laser to reduce dependence on drops)
  • Glaucoma surgery including Trabeculectomy and Aqueous shunt implantation/Tube Surgery and the full range of MIGS.

Research interests

Mr Ratnarajan’s research has won numerous international awards in the areas of:

  • Glaucoma surgical innovation
  • Cataract surgical innovation
  • Optimising patient pathways for glaucoma and cataract care.

Current posts

  • Consultant Ophthalmic Surgeon and Director of Glaucoma Department
    Queen Victoria Hospital NHS Foundation Trust

Awards and accolades

  • NHS Clinical Excellence award 2019
  • Best Paper International Congress Glaucoma Society 2018
  • Royal College of Ophthalmologist’s Keeler Scholarship 2016
  • Best Poster UKEGS 2015
  • Gold medal UKISCRS 2015
  • Best Cataract Paper UKISCRS 2015
  • HCA International Foundation Grant for Minimally Invasive Glaucoma Surgery 2015
  • European Glaucoma Panel ARVO Presentation Prize, 2015
  • Best of the Best Presentation ESCRS, 2012
  • National Institute for Health Research Flexibility and Sustainability award, 2012

Medical training

Year qualified 2005
  • University College London 1995 - 2005


A nurse with a patient

Facilitating acute admissions into The London Clinic whilst maintaining the highest levels of safety and care, supported by a consultant on-call rota.

Concierge service

Chauffeur loading suitcases into a luxury car

We can support our patients with travel, hotel accommodation, London tours, plus theatre and restaurant reservations.

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Main numbers

Concierge service: +44 (0) 203 219 3323 International office: +44 (0) 203 219 3266 Invoice and payment enquiries: +44 (0) 207 616 7708 

Your call may be recorded for training and monitoring purposes.

Medical service numbers

Breast services appointments: +44 (0) 207 616 7653 Diagnostics appointments: +44 (0) 207 616 7653 Endoscopy appointments: +44 (0) 207 616 7760 Eye centre appointments: +44 (0) 207 616 7768 Haematology appointments: +44 (0) 207 535 5503 Kidney services appointments: +44 (0) 207 224 5234 Liver services appointments: +44 (0) 207 616 7719 Physiotherapy appointments: +44 (0) 207 616 7651 Radiology appointments: +44 (0) 207 616 7653

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