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