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FAQs on Eye Protection
Definitions, Hazards & Selection
Optical radiation – Sources
Sunlight Radiation Ultraviolet Infrared
from heat rays rays
Hazards and their Effects:
Terms
Hard Coating for preventing scratches
It is applied to the exterior of the lens to minimize the likelihood of
accidental scratching. This does not make the lens scratch proof, but
helps in tremendously reducing fine hair line scratches.
Anti Fog
Prevent to condensation of moisture.
Bridge
It is the part of a frame that connects the two lenses and goes
over the nose. The bridge can be either decorative or simple.
Frame
Sources of optical radiation It is the part that holds the lens. Frame can be made of plastic or
Sunlight memory retention nylon.
Do no break
Radiation from heat even excess of
Ultraviolet rays 150 m/sec
Types of materials for lens
Glass Plastic Polycarbonate Breakage
occurred at
60 m/sec
Breakage
occurred at
26 m/sec
Glass Plastic Polycarbonate
Types of materials & Breakage test
Common Eye hazards?
Polycarbonate Advantage
Alternative High impact Clear
IMPACT
for glass resistance
CHEMICAL DUST Polycarbonate
HEAT Light weight Scratch resistant
with protective
coating
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