Remember, you can’t just wear your normal glasses with a gas mask. That’s about 164 million Americans wearing eyeglasses or contacts-with almost no solutions available that work with popular gas masks. According to the Vision Council, 75% of Americans use some kind of vision correction. Your PD tells us where to place the center-of-optics in your lens for optimal vision. Then simply write your PD on your Rx form, take a picture, and upload it onto this product page. NOTE: If your PD does not appear on your Rx form, simply call the last place you had glasses made, and they should be happy to provide your PD measurement over the phone. Step 4: Upload your prescription, including your Pupil Distance Measurement: Yellow Tinted Lenses (SMOKESIGHT XT) - Originally developed for firefighters to provide enhanced vision in smoky or low-light conditions.Grey Tinted Lenses (True Color Reception) - Designed for safety and visual recognition in bright lighting.Clear Lenses - These are ideal for general use.STEP 3: Select one of three lens colors you’d like. This lens type is ideal for those without a vision issue who’d like to add SMOKESIGHT XT or True Color Reception lenses to their gas mask. “Plano” lenses are super thin lenses without any prescription.“Progressive” or “no-line” prescription bifocals provide a gradation that’s ideal for those who need close-up vision at 12 inches as well as intermediate vision to see something like a gun sight.“Bifocal” prescription lenses have a lens for distance vision up top and a magnification lens for reading on the bottom, with the proportions optimized for your specific gas mask.“Single vision” are relatively uniform, slightly thicker prescription lenses that have been optimized for use in a gas mask.STEP 2: Select one of the four lens types: STEP 1: You’ll need to choose either the MV-6M (for MIRA Safety CM-6M masks) or MV-7M (for MIRA Safety CM-7M masks). When it comes to ordering a prescription Spectacle Kit for your gas mask, we’ve made it as easy as possible.
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