Premium lenses designed
for ultimate thinness and comfort
Ultra-High Index Lenses
An ultra-thin lens that combines thinness and lightness,
which are important factors in choosing eyeglass lenses.
An ultra-thin lens that combines thinness and lightness, which are important factors in choosing eyeglass lenses.
It is a premium lens with the highest refractive index, designed to be ’thinner’ and ’lighter’. The double-sided aspheric design applies aspheric curvature not only on the front surface but also on the back surface. This reduces distortions that can affect the size of the eyes to the utmost extent.
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01Ultra-thin material
With a refractive index of 1.76 and a double-sided aspheric design, these ultra-thin lenses are 50% thinner compared to standard plastic lenses.
*Compared at S-6.00
Standard
Plastic Lenses
OWNDAYS
Ultra-High Index Lenses -
02Reduces distortion around the edges
Minimizes indentations along the face line when worn, enhancing the appearance around the face.
*The photos, frame combinations, and how the lenses appear are for reference only *Compared at S-6.00
Standard
Plastic Lenses
(Single-vision Aspheric Lenses)
OWNDAYS
Ultra-High Index Lenses
（Double-sided Aspheric Lenses） -
03Natural vision with minimal distortion
The double-sided aspheric design minimizes the difference in thickness between the edges and the center of the lens,
*Compared at S+3.00
reducing distortion to a minimum and ensuring a natural, clear field of view.
Spherical Lenses
Single-vision Aspheric Lenses
OWNDAYS Ultra-High Index Lenses
（Double-sided Aspheric Lenses）
Recommended for
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For those who want thinner
and lighter lenses
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For those with strong myopia
(S-6.00 or higher)
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For those
with severe astigmatism
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For those concerned
about edge distortion
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- Processing time of 7 working days is required.
- Due to the high refractive index of the lenses, color aberration may cause objects to appear blurred around the edges.
- Progressive Lenses (Progressive・Office Progressive・Computer Progressive) are not available.
*1 Color lenses can be accommodated for an additional ¥4,000+tax. Please note that this is not available through the online store.
It can be made in combination with a frame of your choice.
You can choose from approximately 3,000 different types of frames.
Please feel free to contact our staff.
Some lenses are only available in stores.
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