Monoart Ultra Light GlassesProtective glasses for patients or operators with ergonomic length adjustable frame, protections incorporated within the lens,polycarbonate nose bridge and eyebrow protection. T ransparent colourless lens that protects against impacts and UV rays toguarantee optimal visibility conditions. Lenses conform to EN166 and EN170 standard requirements. Weight : 29 g Monoart Light GlassesProtective glasses for patients or operators, basic line with air ventilation system incorporated in the side protections. Single lensin optically checked polycarbonate: these protective glasses can be fitted over corrective glasses. Transparent colourless lens that protects ® against impact and UV rays to guarantee optimal visibility conditions.Lenses conform to EN166 and EN170 standard requirements.  Weight : 43 g Monoart Spheric Glasses Protective glasses for operators or patients with single optically controlled spherical polycarbonate lens that guarantees UV rayprotection and a field of view of 180°. The length and angle of the frame stems are adjustable and made from over moulded materialto guarantee excellent fit and comfort. Polycarbonate nose bridge. Neutral colourless scratch-proof and anti-misting lens that protectsagainst impacts and UV rays to guarantee optimal visibility . Lenses conform to EN166 and EN170 standard requirements.Weight :  26 g