Is this still the same?
ANSI Z87.1-2003
Basic Rx impact lenses:
• Shall be 3.00mm thick except those over +3.00D or greater shall have a minimum thickness of 2.5
• Pass a drop ball test of a 1-inch diameter steel ball dropped 50 inches
• Be sandblasted with the manufacturer’s identification
• Be delivered to the wearer bearing a Warning Label indicating that the protector only meets the Basic Impact Standard
High impact Rx lenses:
• Shall not be less than 2.0mm thick at their thinnest point.
• Pass a high velocity test in which a ¼ inch steel ball is shot at a lens at 150 ft/second
• Be sandblasted with the manufacturer’s identification and a plus (+) sign
• Be manufactured from either polycarbonate or Trivex
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