Parameters for compliance with specification of standard ISO 12312-1:2013
Class | Spherical power [D] |
Astigmatic power [D] |
Imbalance prismatic power Horizontal Base out [DP] |
Imbalance prismatic power Horizontal Base in [DP] |
Imbalance prismatic power Vertical [DP] |
Accepted / rejected | ±0,12 (*) | 0,12 | 1,00 | 0,25 | 0,25 |
(*) The difference between the spherical powers of the right and the left filters in the mounted state shall not exceed 0,18 diopters.
Parameter for compliance with specification of standard EN 1836: 2005
Class | Spherical power [D] |
Astigmatic power [D] |
Diff. in prismatic power Horizontal Base out [DP] |
Diff. in prismatic power Horizontal Base in [DP] |
Difference in prismatic power Vertical [DP] |
1 | ±0,09 | 0,09 | 0,75 | 0,25 | 0,25 |
2 | ±0,12 | 0,12 | 1,00 | 0,25 | 0,25 |
Parameters for evaluation of optical data according to standard ANSI Z80.3: 2015
Class | Spherical power [D] |
Astigmatic power [D] |
Imbalance prismatic Power Horizontal [DP] |
Imbalance prismatic Power Vertical [DP] |
Accepted / rejected | ±0,13 (*) | 0,13 | 0,50 | 0,25 |
(*) Lens are measured “as worn” along visual axes at a pupillary distance of 64 mm.
Parameters for evaluation of optical data according to standard AS/NZS 1067: 2003
Class | Spherical power [D] |
Astigmatic power [D] |
Imbalance prismatic power Horizontal Base out [DP] |
Imbalance prismatic power Horizontal Base in [DP] |
Imbalance prismatic power Vertical [DP] |
Accepted / rejected | ±0,09 | 0,09 | 1,00 | 0,25 | 0,25 |
Parameters for evaluation of optical data according to Z94.5-95 standard (Canadian)
Class | Spherical power [D] |
Astigmatic power [D] |
Imbalance prismatic power Horizontal Base out [DP] |
Imbalance prismatic power Horizontal Base in [DP] |
Imbalance prismatic power Vertical [DP] |
Accepted / rejected | ±0,125 | 0,125 | 0,50 | 0,50 | 0,50 |
Parameters for compliance with specification of standard GB10810.1:2005: CHINESE
Class | Spherical power [D] |
Astigmatic power [D] |
Prismatic Power for each single lens [D] |
Accepted / rejected | ± 0,12 | ± 0,09 | ± ( 0,25 + 0,1 x Smax) |
Smax is the dioptric power with the highest absolute value
E.g: D1= – 0,06; D2= + 0,03 > Prism = (0,25 + 0,1 X 0,06) = 0,256
Parameters for compliance with specification of standard EN 166 : 2001
Class | Spherical power [D] |
Astigmatic power [D] |
Imbalance prismatic power Horizontal Base out [DP] |
Imbalance prismatic power Horizontal Base in [DP] |
Imbalance prismatic power Vertical [DP] |
1 | ±0,06 | 0,06 | 0,75 | 0,25 | 0,25 |
2 | ±0,12 | 0,12 | 1,00 | 0,25 | 0,25 |
3 | +0,12 -0,25 | 0,25* | 1,00 | 0,25 | 0,25 |
*Principal meridian axes must be parallel within ±10°
Parameters for compliance with specification of standard ANS Z87.1 : 2003
Model | Spherical power [D] |
Astigmatic power [D] |
Imbalance prismatic power Horizontal Base out [DP] |
Imbalance prismatic power Horizontal Base in [DP] |
Imbalance prismatic power Vertical [DP] |
Absolute prismatic power for each lens (*) [DP] |
Goggles | ±0,06 | 0,06 | 0,50 | 0,125 | 0,125 | 0,25 |
Spectacles | ±0,06 | 0,06 | 0,50 | 0,25 | 0,25 | 0,50 |
Faceshields | – | – | 0,75 | 0,125 | 0,37 | 0,37 |
Parameters for compliance with specification of standard AS/NZS 1337 : 1992
Class | Spherical power [D] |
Astigmatic power [D] |
Imbalance prismatic power Horizontal Base out [DP] |
Imbalance prismatic power Horizontal Base in [DP] |
Imbalance prismatic power Vertical [DP] |
Accepted / rejected |
±0,12 con D<0,12 D |
0,12 | 1,00 | 1,00 | 0,25 |
Parameters for compliance with specification of standard Z 94.3 : 99 (Canadian)
Class | Spherical power [D] |
Astigmatic power [D] |
Imbalance prismatic power Horizontal Base out [DP] |
Imbalance prismatic power Horizontal Base in [DP] |
Imbalance prismatic power Vertical [DP] |
Accepted / rejected | ±0,12 | 0,12 | 0,75 | 0,25 | 0,25 |
Parameters for compliance with specification of standard ASTM F 659 : 98 e1
Class | Spherical power [D] |
Astigmatic power [D] |
Imbalance prismatic power Horizontal Base out [DP] |
Imbalance prismatic power Horizontal Base in [DP] |
Imbalance prismatic power Vertical [DP] |
Absolute prismatic power for each lens (*) [DP] |
Accepted / rejected | -0,37 / +0,06 con D<0,18 D |
0,18 | 1,00 | 0,25 | 0,25 | 0,65 |
Parameters for compliance with specification of standard EN 174: 2001
Class | Spherical power [D] |
Astigmatic power [D] |
Imbalance prismatic power Horizontal Base out [DP] |
Imbalance prismatic power Horizontal Base in [DP] |
Imbalance prismatic power Vertical [DP] |
1 | ±0,09 | 0,09 | 0,75 | 0,25 | 0,25 |
2 | ±0,12 | 0,12 | 1,00 | 0,25 | 0,25 |