Page 71 - The Indian Optician Digital Edition November-December 2021
P. 71
Currently, all lenses that are manufactured reading material: the three parameters of gaze
assume every person has the same Eye lowering, reading distance, and lateral offset.
Rotation Centre (ERC), when in fact it can
vary by up to 30%. By contrast, a dynamic 3D NVB is measured with the help of a unique
eye measurement is based on pinpointing app and tablets in stores while the wearer is
the exact ERC that is unique to every person, seated in the most comfortable and natural
allowing for lens personalisation. An innovative way. NVB output is a unique combination
Eyecode measurement to tailor eye diagnosis for each patient, of behaviour and postural
that is quick, easy to determine and highly components. The added colour code for every
accurate can for the first time be taken by result can be interpreted well by the ECPs and
using Essilor’s Visioffice measuring system. can be explained to the wearers. The results
are encoded in the alphanumerical value and
Along with the patient’s prescription and combined with the data derived from the
the ECP’s assessment of additional parameters Eyepartner /Visioffice.
relating to frame fitting and behaviour, they
can now offer their patients the most advanced,
physiologically matched lenses ever made –
lenses that are more optically precise wherever
the wearer’s gaze passes through them.
The Essilor range of personalised lenses for
progressives and single vision comprises SV
Eyecode, Eyecode in Varilux Liberty/Comfort/
Physio/E series, and Varilux Xclusive/4D.
Having understood the ever increasing
demands for enhanced near and intermediate
vision, Essilor introduced the Varilux Xclusive
range – an advanced PAL with added
benefits. This new range of lenses considers
two key parameters to design a new level of
personalisation. According to Essilor, 89% of the wearers
think NVB has a strong impact on the lens
Physiological components – frames/fitting performance after experiencing both the
parameters, eye rotation centre, dominant eye – Eyepartner/VO and NVB measure in store,
can be measured accurately with Eyepartner. while 98% wearers feel the experience is
different from their earlier one.
Behavioural components are measured
through the reproduction of a familiar near To sum it up, personalised products have
vision daily task. Near vision behaviour (NVB) already proved their mettle in many industries
is vital to assessing patients’ visual needs and as they offer more value than their non-
optimising the shape and position of their personalised counterparts.
own vision volume. NVB is a 4-in-1 measure
combining postural and visual behaviour in The personalised range of spectacle
near vision. lenses offers great benefits for wearers – a
high level of comfort, unlimited vision and
As each patient behaves differently while instant adaptation – as these lenses are
performing a near vision task, knowing a made as per the individual visual behaviour
presbyopes’ behaviour (the whole body and parameters. And last but not least, as
postural response) helps provide them with personalised products by their very nature
the best possible vision and the best postural command a premium, ECPs can also gain by
comfort. This measurement takes into account making their customers aware about their
the posture of the individual while holding existence and value.
67 | ESSILOR
