Page 31 - Tokai Catalog 2024/2025

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SERENO IS / PM FF 11 ɾ 13mm

For far vision

A comfortable & wide far vision field

Conventional progressive lens SERENO IS
˞ln case of 13mm
20%WIDE The far vision field is enlarged by A comfortable & wide far vision field is the result of ergonomic human

20% compared to conventional eye analysis; the limit of the static field angle is 15°, which brings out an
progressive lenses.The angle of area of 30mm around the eye point of a lens. This represents the
clear vision is 120°. effective viewingarea for natural far vision. Optimal vision is ensured by
this particular design, reducing astigmatism to a minimum.

For middle vision

The smooth eye movement in the intermediate zone

9/70 Addition

Conventional progressive lens SERENO IS
˞ln case of 13mm
A smooth eye movement is created by a well controlled transi- 70% of the addition power has been reserved for the lower area at 9mm
tion of addition power. Based on the study of ergonomic in the head, enabling a smooth and constant degree of adaptation of
human eye analysis, sufficient addition power is given at 9mm vision in the intermediate zone. This ergonmic design considerrably
down from the eye point. lessens eye stress.

For near vision

A stable & wide near vision field

The vision field is widened by giving an appropriate inset amount at each
Conventional progressive lens SERENO IS base curve allowing comfortable convergence and assuring stability of
vision.

50,"* 015*$"- $0 -5%