Wearing glasses under a full face respirator is uncomfortable at best, and can lead to improper fitting around the face which can lead to leaks and contamination.
How long can I wear a full face respirator?
In some countries, it is advised to change your surgical mask every 4 hours. This maximum duration of 4 hours comes from a WHO report and a study on the tolerance time of the mask. In reality, the surgical mask can be worn longer.Oct 21, 2020
What is a spectacle kit?
The 3MTM 6878/07141 Spectacle Kit consists of a frame assembly and a rail assembly. The frame assembly is the holder for the corrective lensescorrective lensesMegane (眼鏡) is the Japanese word for eyeglasses. It may refer to: Megane Bridge, a bridge in Nagasaki, Nagasaki, Japan.https://en.wikipedia.org › wiki › MeganeMegane - Wikipedia. The rail assembly supports the frame assembly in the facepiece and allows for up and down, in and out positioning of the frame assembly.