IST Prescription RX Lenses for Pro Ear ME80 Mask

This is the RX Prescription Lenses for the IST Pro Ear Mask - Optical Lens(Far Sighted and Near Sighted) Features: Prescription mask available- Item code: MSK74 Please note there will be an additional 2 to 3 days processing time for most RX lenses Cost is per single lens only Offers diopter correction: -1.0 to -8.0 (in -0.5 decrement), +1.0 to +4.0 (in +0.5 decrement) Tempered, scratch resistant glass Left and right lenses are interchangeable RX Prescription Lenses for the IST Pro Ear Mask ME80 - Optical Lens(Far Sighted and Near Sighted) Returns are not accepted for used lens. Only unused lens are eligible for return with store credit.