consideration for safety vision glasses Flashcards
___% of eye injuries result in temporary/permanent vision loss
10-20%
___% of eye injuries are preventable
90%
6 things to consider when determining the best safety vision glasses
work environment and potential hazards
safety regulations
available lens material
lens options
lens tint
frame style
3 common workplace eye hazards
dust
flying objects
chemicals
standards to which safety glasses must comply with
OSHA and ANSI standards
establishes manufacturing standards
ansi
ansi
american national standards institute
enforces occupational health and safety standards
OSHA
ensures prescription safety glasses and protective prescription frames meet minimum level of effectiveness
ANSI
4 different types of lens materials available for prescription safety eyewear
glass
standard plastic
polycarbonate
trivex
standards met by safety glasses to be ansi rated for impacts and other eye hazards
ANSI STANDARD Z87
oldest lens material; extremely scratch resistant; greatest optical clarity; not as impact resistant; heavier, less comfortable, and more expensive
glass safety lenses
light weight; good optical clarity; impact resistant; best suited for low or mild prescriptions; least expensive
plastic safety lenses
lightweight and provide exceptional impact resistance; most popular lens material for safety glasses; scratch easier than glass even with scratch resistant coating; wrap style prescription safety frames; ansi Z87+ high ballistic rating
polycarbonate
impact resistant lightweight lenses; ansi z87+ high ballistic rating
trivex
3 other options to consider in prescription safety glasses
anti reflective treatments
photochromic lenses
polarized lenses
reduces brightness and glare; best for driving and outdoor sports
tint color
gray
brightens vision on cloudy days; best for sports such as fishing, hunting, and cycling
tint color
amber/brown
filters some blue light and reduces glare; reduces eyestrain in bright light; best for precision sports such as golf
tint color
green
increases contrast in hazy, foggy, or low-light conditions; best for snow activities and indoor sports
tint color
yellow/orange
blocks blue light; helps with visibility while driving; reduce glare and eye strain from computer use
tint color
rose/red