All you need to know about premium intraocular lenses

Written in association with: Mr Mrinal Rana
Published:
Edited by: Conor Lynch

Top Doctors recently spoke to leading consultant ophthalmologist, Mr Mrinal Rana. Here, in this article below, he outlines the various different types of premium intraocular lenses.

What different premium intraocular lenses are available to patients?

There are several kinds of premium intraocular lenses (IOLs) which may be suitable for you, which can be used to reduce your dependence on glasses after surgery:

 

  • Toric IOLs, which allow the correction of pre-existing astigmatism
  • Multifocal IOLs are similar in concept to bifocal glasses, except that the lens is within the eye; the goal of these lenses is to allow the ability to see both distance (e.g. driving) and near (e.g. reading) without glasses. Lenses are available in both bifocal (distance and near) and trifocal (distance, intermediate and near) designs
  • Toric multifocal IOLs combine the advantages of both these types of lenses
  • Extended depth of focus lens, e.g. the Symfony lens
  • Accommodating lenses

 

What other lens techniques are used in cataract surgery?

An alternative approach for people who want a reduced reliance on glasses is a technique known as blended monovision (also known as micro-monovision). In this technique, multifocal lenses are typically not used, but one eye (usually the dominant eye) undergoes lens replacement surgery.

 

The aim of this is to achieve good distance vision, while the other eye is set for closer distances. While some patients (typically long-term contact lens wearers) can tolerate a sufficient difference between the two eyes to allow a true reading eye and a distance eye (known as ‘true monovision’), most cannot.

 

However, aiming for a more subtle difference in prescription between the two eyes (ideally around 1.25 Dioptres) allows greater functionality around the house, and is often sufficient to allow supermarket shopping without glasses, seeing the dashboard clearly, and also some reading, all without the disadvantages of multifocal lenses.

 

 

To book an appointment with Mr Mrinal Rana, simply visit his Top Doctors profile today

By Mr Mrinal Rana
Ophthalmology

Mr Mrinal Rana is an esteemed consultant ophthalmologist based in Coventry, who specialises in the management of routinecomplex and refractive cataract surgery, cornea and external eye disease, and keratoconus alongside ocular surface degenerative disorders (pterygium and pinguecula), ocular surface inflammation (peripheral ulcerative keratitis (PUK), scleritis and episcleritis) and dry eyes (mixed, aqueous and evaporative type). He privately practises at The Meriden Hospital for Circle Health Group and his NHS base is University Hospitals Coventry and Warwickshire (UHCW) NHS Trust.

His complex cataract surgery prowess extends to patients with corneal scars (congenital and infectious), corneal decompensations (due to genetic dystrophies), very high refractive errors (myopia, hyperopia and astigmatism), as well as those unable to lie flat due to spinal and breathing problems and with learning difficulties and dementia, under the National Institute for Health and Care Excellence's (NICE) best interest care pathway. In his NHS practise, he has redesigned the best interest care pathway and started bilateral simultaneous cataract surgery (BSCS), which, very few centres in the world currently offer and, he is trying to bring into the private practice. 

Mr Rana, who has been praised by patients for his sympathetic, empathetic and affable approach, has an impressive educational history in ophthalmology that spans over 19 years. He has an MBBS from Kuvempu University in India and, after he moved to the UK in 2003, he undertook his general ophthalmic training in UK from renowned centres in Leicester, Liverpool and Birmingham that resulted in an MRCOphth and FRCOphth from the Royal College of Ophthalmologists. He then went on to do two corneal fellowships in Birmingham and Cambridge over a 3-year period, where he expanded his clinical and surgical acumen in cornea and external eye disease. Furthermore, Mr Rana has a postgraduate diploma in refractive cataract surgery from Ulster University, Northern Ireland. 

Mr Rana's developed understanding of varying demographics around the UK means that he's able to provide treatment that's tailored to individual patients. He's also multilingual, with proficiency in English, Hindi, Urdu and Punjabi, which allows him to connect with people and communicate with them in their native language.  

Mr Rana's clinical research has been published in multiple peer-reviewed publications, while he has presented his work at various national and international presentations. He frequently lectures around the UK as well as globally, runs surgical training courses and teaches ophthalmology trainees. 
   
He's also committed to giving back to the global community, and has volunteered at the Khmer Sight Organisation Cambodia to provide free eye care for patients in the area. He ran camps and villages and did cataract and corneal surgery to improve their sight. During COVID he volunteered to help the NHS medical team to support and care for patients suffering with COVID.

Work and personal life balance is important to him. He makes time to spend with his kids, plays racquet sports, does meditation and yoga as well as a love for travelling to serene destinations, musicals, and is learning salsa and French as a hobby. 

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