Mr Steven Harsum



  • is fee assuredFee assured
  • Cataract Full PathwayCataract Full Pathway provider

    I offer Bupa customers standard cataract surgery on the Full Pathway package option at Ramsay Ashtead Hospital, Spire St Anthony's Hospital, Cobham Day Surgery, Epsom Day Surgery .

    This package includes your appointments before and after surgery, as well as your surgery and mono-focal lenses. It means you won’t use up your out-patient benefit or receive any additional bills from your surgeon (or anaesthetist, if you need one) for eligible treatment.

    Please call the Bupa Eye Care team to find out more about and to pre-authorise your treatment on 0345 600 7267.


This healthcare professional let us know that they are currently available for:

    • Face-to-face consultations
    • Phone consultations
    • Video consultations

Last updated: 12 Nov 2020

Specialises in

  • Medical
  • Surgical
  • Surgical retinal

About me

Mr Steven Harsum is Clinical Director of Head & Neck at Epsom & St Helier University Hospitals NHS Trust. He is a UK trained eye surgeon (ophthalmologist) working within Surrey.

During his medical degree he was selected for the prestigious MBPhD course at University College London. This involved fast-track medical training, combined a second degree, and a 3 year research doctorate (PhD). His doctorate involved pioneering research into wound healing. During this time he developed his passion and skills for microsurgery.

After specialising in Ophthalmology he trained in multiple hospitals in north and south London, spending the final two years at the world renowned Moorfields Eye Hospital as a fellow in medical and surgical retina.

Since starting at Epsom & St Helier Mr Harsum has introduced the latest micro-incision cataract and vitreoretinal surgery. He performs 25 gauge sutureless daycase vitrectomy surgery. This is used to treat a wide variety of conditions such as floaters, vitreous haemorrhage, diabetic retinal scarring, detached retinas, epiretinal membranes and macular holes. He also performs sub-2mm “micro-incision” cataract surgery and femtosecond laser cataract surgery. Compared to standard surgery, micro-incision surgery is less traumatic, faster, and safer for the patient. Surgery can be performed using only anaesthetic drops, rather than an injection to numb the eye. This surgery is combined with the latest multifocal lens implants to give outstanding vision for both near and distance without the need for glasses. After standard cataract surgery, available on the NHS, you will almost always need glasses. Mr Harsum is one of only a handful of surgeons in south east England using such small incision surgery. He is also the first surgeon in the UK to perform combined laser cataract surgery with vitrectomy surgery.

At Epsom & St Helier Mr Harsum was instrumental in starting up the new macular degeneration treatments, with systematic one-stop-shops and dedicated failsafe. He has also ben the clinical lead of the diabetic retinal screening service in Sutton & Merton, and regularly acts as an external quality assurance inspector, assessing the performance of other UK eye units. Mr Harsum was previously, Clinical Lead, College Tutor and audit lead at Epsom & St Helier, aiming to monitor and improve the quality of patient care and outcomes and responsible for delivering training to ophthalmologists.

Mr Harsum is passionate about both teaching and modern technology, incorporating his videos of operations and special imagery into his tutorials.

Mr Harsum has recently undertaken a number of charity trips to Guyana and Burma where he has treated blinding cataracts, severe diabetic retinopathy, retinal detachments and glaucoma.

Mr Harsum is a family man with three young boys that take up most of his free time. He does however find time to play Squash and competes in the Kent Squash Leagues. His other keen interest is photography, particularly night and macro photography.

Mr Harsum is on the Specialist Register with the General Medical Council (No. 4763770).

Areas of interest

Ophthalmology; Laser Cataract Surgery; Micro-incision Cataract surgery; Cataract Surgery; Complex Cataract Surgery; Retinal Surgery; Retinal Detachment; Vitreous surgery; Floaters; Medical retina; Retinal laser; Macular degeneration; Diabetic retina; Macular oedema

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Information for healthcare professionals (Bupa patients only, last 12 months)

Procedures completed

  • C7340

    Yag laser photodisruption of posterior capsule of lens (including laser capsulotomy) - unilateral - (5-50)

    Spire St Anthony's Hospital (1-5) St Helier Hospital (1-5) Epsom Hospital (1-5)

  • C7924

    Intravitreal injection of pharmaceutical for central retinal vein occlusion - (1-5)

    Ramsay Ashtead Hospital (1-5)

  • C7341

    Yag laser photodisruption of posterior capsule of lens (including laser capsulotomy) - bilateral - (1-5)

    St Helier Hospital (1-5)

  • C7982

    Pars plana vitrectomy with internal tamponade, scleral buckling and retinopexy with dissection or excision of epiretinal membrane/macular surgery - (1-5)

    St Helier Hospital (1-5)

  • C7122

    Ultrasound phacoemulsification of cataract, with lens implant - unilateral (including topical or local anaesthetic) - (1-5)

    St Helier Hospital (1-5)

  • X3800

    Ophthalmic local anaesthetic injection administered by operator - (1-5)

    St Helier Hospital (1-5)

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