Page 70 - The Indian Optician Digital Edition July-August 2021
P. 70
INTENSITY INTRAOCULAR
MULTIFOCAL LENSES
DO AWAY WITH GLASSES
he intraocular lens is undoubtedly one
of the most important innovations in the
Thistory of ophthalmology. Its inventor,
Sir Harold Ridley, inserted the first IOL in 1949,
in London. Implant lenses have of course
undergone many advances since then.
Most intraocular lenses implanted in the
United Kingdom are of a fixed focal length
(mono-focal) so that distant objects will be THE LYTHGOES WITH SAY AUN QUAH (CENTRE)
focused clearly by the eye. While many patients
are satisfied with it they will still have to wear focal lengths necessary and also over differing
their spectacles to help them focus for different pupil sizes such as occurs in the dark and the
distances such as reading, driving, watching TV, light. The effect is similar to the way a camera
using the computer, etc. remains in focus for different distances and in
different light conditions.
Multifocal intraocular lenses are a more
recent invention. These lenses have been It’s certainly made a difference to the
developed with multiple focal lengths which Lythgoes, a married couple from Lancashire,
allow the patient to focus on objects at different who are the first two patients in the UK to
instances without resorting to the need for receive the Intensity lens implants, giving
distance, intermediate or reading spectacles. them both a new spectacle-free life. Andy
and Gail Lythgoe, both 54, who run a family
The revolutionary Intensity premium plastering business, were treated by consultant
multifocal intraocular lens designed by ophthalmologist Mr Say Aun Quah at HCA, UK,
Hanita Lenses, a well-established implant lens at the Wilmslow Hospital in Cheshire.
manufacturer, was recently launched in the
United Kingdom by Birmingham Optical. They are both very pleased that they
underwent the procedure. Andy says it has
The Intensity IOL has been designed by using given him a new lease of life. “As a plasterer,
a unique (patent pending) computer algorithm it can be so frustrating to wear glasses – they
and proprietary software which utilises the steam up or get spattered with plaster – so not
concept of Dynamic Light Utilisation and Pupil having to wear them ever again is incredible.”
Aperture Optimisation.
“I am pleased with the ease of implantation
In addition, the Intensity lens has a special and stability inside the eye of the new Intensity
12-step profile creating continuous vision intraocular lens,” says Mr Quah. “My patients
throughout the whole vision range. This means and I have been delighted with their visual
that the lens distributes light over the different outcomes.”
| JULY-AUG 2021 | 66 REPORT
