Cutting goggles with appropriate filter lens numbers should be worn
during
acetylene welding, cutting, or burning molten metals. While arc welding
and
cutting, safety glasses with side shields and a welding hood with
appropriate filter lens numbers should be worn. You can order
prescription
lenses that fit into the filter shade lenses.
The following lens numbers should be used for the appropriate welding
tasks
(with 14 being the darkest):
Torch soldering 1.5-3
Torch brazing/cutting 3-6
Gas welding 4-8
Electric arc welding 10-14
Use ANSI Z136 eye protection for laser light hazards (not ANSI Z87).
For welding tasks, a person should start with a shade that is too dark
to
see the weld zone. Then try a lighter shade which gives sufficient view
of
the weld zone without going below the minimum.
Prescription safety glasses can be designed with lenses for working with
lasers. Laser safety glasses can be purchased which are designed to wear
alone or over a pair of prescription glasses.
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