US Sunglasses Standard (ANSI Z80.3: 2015) Updated
SAFEGUARDS | Hardgoods & Softlines NO. 065/16
US voluntary industry standard for sunglasses has been revised and includes clarification of concepts and principles, as well as closer alignment with applicable provisions in other US and international standards.
In December 2015, the US ANSI Z80.3 standard for sunglasses was updated from the 2010 version to the current 2015 version.
This revision incorporates a continued effort to more properly explain and clarify concepts and principles, and to more closely align requirements of this standard with similar relevant provisions in existing US and international standards.
In addition to minor typographical corrections, changes include:
Prism power and imbalance are now defined only for finished products in the as-worn position, since lenses with high base curves and/or significant faceform (wrap) angles must include the proper compensating prism in the lens blanks to ensure minimal prism in the final product.
Luminous transmittance variations and tolerances are now provided in units of percent rather than density.
Definitions of reference point, special purpose lenses, and polarization axis tolerance are added.
Minimum luminous transmittance of gradient tint lenses is modified.
A figure demonstrating assessment of cosmetic lens quality is added.
Procedure for assessment of frame flammability is amended.
Finally, new requirements for frame durability, such as corrosion, material safety, and deformation, which already exist in other standards, are added.
Summary table of the difference between ANSI Z80.3: 2010 and ANSI Z80.3: 2015
|2010 version||Requirements||2015 Version||Major Changes (Requirements/ Method)|
|4.3||Flammability||4.3||Test method changed to resistance to ignition.|
|--||Frame Finish||4.4||Newly Added.
The surface finish of metal and plastic frames shall be free of significant imperfections or roughness.
|--||Frame Corrosion||4.5||Newly Added.
Corrosion resistance of metal parts shall be sufficient
|--||Frame Material Safety to Health of Wearer||4.6||Newly Added.
The risks posed by substances, such as nickel, leaching from the device that may come into prolonged contact with the skin shall be reduced by the manufacturer to below any regulatory limit.
|--||Frame Deformation and Retention of Lenses||4.7||Newly Added.
Test method adopting ISO 12311: 2013, section 9.6
|4.4||Cosmetic Quality of Lenses||4.8||Requirement applied on an area of 30 mm diameter around the reference point except in a marginal area 5 mm wide.|
|4.5.1||Refractive Power||4.9.1||Individual lens: (+1/8, -1/4) D → ±0.13D
Between lens: 3/16D → nil
|4.5.2||Astigmatic Power||4.9.2||1/8D → ≤ 0.13D|
|4.5.3||Prismatic Power Imbalance||4.9.3||Test method adopting ISO 12311: 2013, section 8.2
Individual lens: 1/4 prism diopter → nil
Between lenses: < 1/2Δ →
≤ 0.50Δ(horizontal); <0.25Δ(vertical)
|4.6.3||Transmittance Properties Related to Traffic Signal Recognition||4.10.2||More detailed:
The luminous transmittance of a lens shall comply with the appropriate intended primary function requirements of Table 4.
|126.96.36.199||Color Limits||188.8.131.52||Technically equivalent|
|184.108.40.206||Traffic Signal Transmittance||220.127.116.11||Technically equivalent|
|18.104.22.168||Spectral Transmittance||22.214.171.124||Technically equivalent|
|4.6.2||Ultraviolet Mean Transmittance||4.10.3||Technically equivalent|
|4.6.4||Near Infrared Transmittance||4.10.4||Same|
|4.6.5||Blue Light Transmittance||4.10.5||Same|
|4.7||Qualification of Lens Type||4.11||--|
|4.7.1||Polarizing Lens||4.11.1||More detailed:
Polarizing lenses are also either uniform density or gradient density lenses.
|126.96.36.199||Type I Polarizing Lens||188.8.131.52||Same|
|184.108.40.206||Type II Polarizing Lens||220.127.116.11||Same|
|4.7.2||Photosensitive Lens||4.11.2||More detailed:
Photosensitive lenses are also either uniform tint or gradient tint lenses
|18.104.22.168||Type I Variable Transmittance Photosensitive Lens||22.214.171.124||Same|
|126.96.36.199||Type II Variable Color Photosensitive Lens||188.8.131.52||Same|
|4.7.3||Gradient Tint Lens||4.11.3||Requirement in density variation → Relative difference in luminous transmittance|
|4.7.4||Uniform Tint Lens||4.11.4||Requirement in density variation → Relative difference in luminous transmittance|
|4.8.1||Tint Imbalance Between Lenses||4.12||Requirement in density imbalance (geometric centers) → Relative difference (reference points)|
|--||Axis of Polarization||4.13||Newly Added
Not deviate more than ±3° from the vertical.
|4.9||Resistance to Radiation||4.14||Same|
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