FIELD: ophthalmology.
SUBSTANCE: photochrome ophthalmic lens contains the main part containing an optical area and a peripheral area located adjacent to the optical area. One or more of the optical area and the peripheral area contain photochrome dye. The ophthalmic lens has a thickness profile, which is made based on cosmetic appearance of a target transmittance layer (%T), and at least part of the thickness profile is the same for two or more units of account (hereinafter – SKU), while each of two or more SKU has a different target prescription, and the optical area has a volume calculated with a certain diameter, which is constant for two or more SKU and is made based on cosmetic appearance or the target transmittance level (%T), or both.
EFFECT: making a thickness profile of a lens with a possibility of optimization of color change in activation of photochrome dye.
31 cl, 13 dwg, 3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF DESIGNING FRAMELESS PHOTOCHROMIC SOFT CONTACT LENSES | 2020 |
|
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| SET OF SOFT CONTACT LENSES | 2020 |
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| OPHTHALMIC LENSES WITH WAVE-LIKE REPEATED PATTERN | 2013 |
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| CONSTRUCTION OF MULTI-AXIAL LENSES FOR ASTIGMATISM | 2013 |
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| CONTACT LENS WITH PEARLESCENT SCLERA | 2015 |
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RU2611930C2 |
| PRESBYOPIA LENS WITH PUPIL SIZE CORRECTION BASED ON LEVEL OF REFRACTIVE ERROR | 2014 |
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RU2568961C2 |
| RING TRANSPARENT LAYER IN COSMETIC CONTACT LENSES | 2016 |
|
RU2637613C2 |
| CONFIGURATION OF LENS NOT DEPENDING ON PUPIL DIMENSION, AND METHOD FOR MYOPIA PROGRESS PREVENTION AND/OR INHIBITION | 2015 |
|
RU2627640C2 |
| SOFT CONTACT LENS WITH NEW STABILIZING ZONES FOR HIGHER ANGULAR STABILITY AND COMFORT | 2020 |
|
RU2826277C2 |
