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FAQ
FAQ for Eyewear Industry
Standards
標準問題
Production
生產問題
Testing
Mandatory Requirements
Optical power
Spherical and cylindrical power
Spatial deviation
Prismatic deviation
Luminous transmittance of lenses
Ultraviolet Ray Transmission
Resistance to thermal exposure
Resistance to ultraviolet radiation
Resistance to corrosion
Resistance to ignition
Penetration of vents
High-speed impact resistance
Optional Requirements
Resistance to surface damage due to flying fine particles
Resistance to fogging of lenses or filters
Protection against molten metals and hot solids
Protection against droplets
Protection against streams of liquids
Protection against large dust particles
Protection against gases and fine dust
Protection against radiant heat
Chemical resistance
ATEX requirement
Mandatory Requirements
Material & Surface Quality
Luminous transmittance of lenses
Refractive power
Spherical and astigmatic power
Local variations
Prism imbalance
Minimum robustness of filters
Frame deformation and retention of filters
Resistance to solar radiation
Resistance to ignition
Optional Requirements
Impact resistance of the filter, strength level 1
Impact resistance of the filter, strength level 2 or 3
Increased endurance of sunglasses
Resistance to perspiration
Resistance to abrasion
Mandatory Requirements
Field of vision
Lenses requirements:
Optical power
Transmittance
Variations in luminous transmittance
Quality of material and surface
Resistance to ultraviolet radiation
Mechanical strength
Protection against water and snow
Resistance to ignition
Suitability for cleaning and care
Optional Requirements
Resistance to surface damage by fine particles
Resistance to fogging of oculars
Enhanced infrared absorption of oculars
Optical requirements
Field of vision
Spherical, astigmatic and prismatic refractive powers
Luminous transmittance of lenses
Quality of material and surface
Robustness
Resistance to ageing
Resistance to corrosion
Resistance to ignition
Particular requirements
Protection against optical radiation
Protection against high-speed particles
Protection against molten metals and hot solids
Protection against droplets and splashes of liquids
Protection against large dust particles
Protection against gases and fine dust particles
Protection against short circuit electric arc
Lateral Protection
Optional requirements
Resistance to surface damage by fine particles
Resistance to fogging of oculars
Oculars with enhanced reflectance in the infrared
Protection against high speed particles at extremes of temperature
Optical Requirements
Optical Quality
Luminous Transmittance
Haze – Clear Lenses Only
Refractive Power, Astigmatism, Resolving Power, Prism and Prism Imbalance
Physical Requirements
Drop Ball Impact Resistance
Ignition
Corrosion Resistance of Metal Components
Minimum Coverage Area
Light Tightness
Lateral Protection
High Mass Impact
High Velocity Impact
Penetration Test (lenses only)
Droplet and Splash Hazard
Dust Hazard
Fine Dust Hazard
眼鏡行業常見問題
Standards
標準問題
Production
生產問題
Testing
Mandatory Requirements
Optical power
Spherical and cylindrical power
Spatial deviation
Prismatic deviation
Luminous transmittance of lenses
Ultraviolet Ray Transmission
Resistance to thermal exposure
Resistance to ultraviolet radiation
Resistance to corrosion
Resistance to ignition
Penetration of vents
High-speed impact resistance
Optional Requirements
Resistance to surface damage due to flying fine particles
Resistance to fogging of lenses or filters
Protection against molten metals and hot solids
Protection against droplets
Protection against streams of liquids
Protection against large dust particles
Protection against gases and fine dust
Protection against radiant heat
Chemical resistance
ATEX requirement
Mandatory Requirements
Material & Surface Quality
Luminous transmittance of lenses
Refractive power
Spherical and astigmatic power
Local variations
Prism imbalance
Minimum robustness of filters
Frame deformation and retention of filters
Resistance to solar radiation
Resistance to ignition
Optional Requirements
Impact resistance of the filter, strength level 1
Impact resistance of the filter, strength level 2 or 3
Increased endurance of sunglasses
Resistance to perspiration
Resistance to abrasion
Mandatory Requirements
Field of vision
Lenses requirements:
Optical power
Transmittance
Variations in luminous transmittance
Quality of material and surface
Resistance to ultraviolet radiation
Mechanical strength
Protection against water and snow
Resistance to ignition
Suitability for cleaning and care
Optional Requirements
Resistance to surface damage by fine particles
Resistance to fogging of oculars
Enhanced infrared absorption of oculars
Optical requirements
Field of vision
Spherical, astigmatic and prismatic refractive powers
Luminous transmittance of lenses
Quality of material and surface
Robustness
Resistance to ageing
Resistance to corrosion
Resistance to ignition
Particular requirements
Protection against optical radiation
Protection against high-speed particles
Protection against molten metals and hot solids
Protection against droplets and splashes of liquids
Protection against large dust particles
Protection against gases and fine dust particles
Protection against short circuit electric arc
Lateral Protection
Optional requirements
Resistance to surface damage by fine particles
Resistance to fogging of oculars
Oculars with enhanced reflectance in the infrared
Protection against high speed particles at extremes of temperature
Optical Requirements
Optical Quality
Luminous Transmittance
Haze – Clear Lenses Only
Refractive Power, Astigmatism, Resolving Power, Prism and Prism Imbalance
Physical Requirements
Drop Ball Impact Resistance
Ignition
Corrosion Resistance of Metal Components
Minimum Coverage Area
Light Tightness
Lateral Protection
High Mass Impact
High Velocity Impact
Penetration Test (lenses only)
Droplet and Splash Hazard
Dust Hazard
Fine Dust Hazard
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