Page 91 - Nov- Dec 2024

deep understanding of human vision to create
an innovative design system for progressive
lenses. Named the Z Series Progressives, these
are the first progressive lenses crafted with
Nikon’s camera lens contrast assessment
method, and mark a new era in the design of
this specific category of lenses.

The Z Series progressive lenses have been
meticulously designed to curate the progression
zone and accentuate the experience of contrast
through the lens. By integrating the power
of contrast into the lens design, the lenses
transform the vision experience for presbyopes progressive lens. Thanks to advancements
to a whole new level. in its proprietary optical design engine, the
near vision area in the progressive lens is
Traditional methods of assessing spectacle
lens performance, focusing on optical power geometrically refined to enhance contrast
errors and astigmatism, may not fully capture perception through the lens, elevating wearers’
the qualitative and quantitative aspects of experience of focus, clarity, and brightness.
wearer vision. Building on the MTF methodology Wearers see with greater precision of
used for cameras and lenses, Nikon’s new lenses contrast thanks to enhanced contrast
introduce a pioneering evaluation methodology transmission through the lens, offering up to
for spectacle lenses. This approach considers 52% improvement in dim light (known to be
unique aspects of human vision, including a key pain point for progressive lens wearers)
prescription, target size and distance, lighting and 13% in bright environments. This ensures
conditions, and more, to assess the combined wearers can effortlessly discern all close-up
effect of all optical aberrations that could details and text. Thanks to a significantly larger
influence contrast transmission through the focused vision area of up to 42%, wearers benefit
lens, thus affecting vision quality.
from a wider focal range in the near-vision
The revolutionary design system incorporates portion of their progressive lenses, resulting in
‘Contrast’ as a new design criterion in seamless vision clarity without constant effort.

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