Section R. 408.13369 - SpectaclesRule 3369.
(1) Spectacles, also known as safety glasses, of metal, plastic, or a combination thereof, shall consist of lenses in a frame that supports the lenses around their entire periphery of suitable size and shape for the purpose intended connected by a nose bridge, and retained on the face by temples or other suitable means.(2) The spectacles, also known as safety glasses, shall be furnished with or without sideshields depending upon their intended use.(3) The frames, temples, and sideshields may be metal or plastic, and when made of plastic, shall be of the slow-burning type.(4) Spectacles, also known as safety glasses, shall provide protection to the eye from flying objects, and, when required, from glare and injurious radiations.(5) Spectacles, also known as safety glasses, without sideshields are intended to provide frontal protection.(6) Where side as well as frontal protection is required, the spectacles, also known as safety glasses, shall be provided with sideshields. Note: Appendix B, Appendix Table 1 "Eye and Face Protector Selection Chart," and Appendix Figure 1, "Eye and Face Protective Devices Chart," shall be used as a guide in the selection of the proper eye and face protection.
(7) Frames shall be designed for industrial exposure and shall bear a trademark identifying the manufacturer on both fronts and temples. The frame front shall carry a designation of the eye size and bridge size, where applicable. Temples shall be marked as to the overall length or fitting value.(8) Temples may be of the cable or spatula type, as specified, and shall be of such design as to permit adjustment and fit comfortably and securely on the wearer. The size of the temples shall be clearly marked.(9) Safety lens in frames which do not comply with this part shall not be worn.Mich. Admin. Code R. 408.13369