4 LENSES 6.0 ALL RIGHTS RESERVED © LAB MOD SYSTEM FRAME PARTS LAB CONSUMABLES TOOLS PLIERS EQUIPMENTS LENSES REFRACTION & ORTHOPTIC INDEX INTERNATIONAL STANDARD EN ISO 12312-1:2013+A1:2015 Requirements and testing methods. Filters suitable for continual use • For spherical and astigmatic powers: no more than ± 0,12 diopters Recognition of the colours of signal lights Q = Inferior limits of the Q transmission values Q RED - 0,80 / QYELLOW - 0,60 / Q GREEN - 0,60 / Q BLUE - 0,60 TESTING METHODS • Static, dynamic and inflammability tests: To verify the filter is not dangerous for the eyes. • Optical tests to check transmittance: verifies the refractive power and light diffusion as well as quality defects. • Ageing test: To verify the durability of the filtering performance. 6.1 CR39 Base 2 - Base 4 • CR39 Special Base 2 ........................................................ 6 • CR39 Classic full colour and gradient Base 4............. 7 • CR39 Fashion full colour and gradient Base 4 .......... 8 • CR39 Photochromic Lenses Classic, Gradient and Mirrored Base 4...................... 9 • CR39 Dark Glam with HC and mirror coating Base 4 ............ 12 • CR39 Gradient with HC and AR coating inside Base 4 .......... 13 6.3 CR39 Mirrored and Fashion Base 6-8 • Flash Electric Back Base 6 ............................................. 22 • CR39 with Hard Coating and mirror coating Base 6..... 23 • CR39 Multilayer mirrored Base 6 ............................... 24 • CR39 Fashion Flash Mirror Base 6-8 .......................... 25 • CR39 Fashion Bicolour Base 6 .................................... 26 • CR39 Fashion Gradient and full colour Base 6 ........... 27 6.2 CR39 Classic and Polarized Base 6-8 • CR39 Classic full colour and gradient Base 6-8 ............ 14 • CR39 Polarized Base 6-8 ................................................ 17 • CR39 Polarizad with hard coating and AR coating inside Base 6-8................................... 18 • CR39 Polarized Mirrored Base 6 ................................. 19 • CR39 Polarized Fashion and Gradient Base 6 ........ 20 6.4 Polarizing Sheets (TAC) • Classic full colour and gradient Base 4 ................... 28 • Multilayer mirrored Base 4 ........................................... 29 • Photochromic Base 4 .................................................... 30 • Classic full colour Base 6 .............................................. 32
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