Instruments & RegulatoryQuestion 81 of 100
Under FDA regulations, all dress eyewear lenses sold in the United States must be what?
a.Made of glass
b.Tinted
c.Impact resistant (capable of passing the drop-ball test)
d.Polarized
Explanation
The FDA requires prescription and non-prescription dress lenses to be impact resistant, historically demonstrated by the drop-ball test, to protect wearers from lens shattering into the eye.
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Related questions on this topic
- A lensmeter (focimeter) is used to measure what?
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- The FDA drop-ball test for impact resistance drops what onto the lens?
- ANSI Z80.1 is the American National Standard that specifies what?
- Occupational and safety eyewear in the U.S. is governed by which standard?
- Safety frames and lenses that meet the high-impact standard are marked with what?
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