老花鏡出口歐洲需要滿足歐盟的MDD（醫(yī)療器械指令）及EN 14139標(biāo)準(zhǔn)。
EN 14139:2010測試項(xiàng)目
- 結(jié)構(gòu) Construction
- 尺寸允差 Dimensional tolerance
- 高溫尺寸穩(wěn)定性Dimension Stability at Elevated Temperature
- 耐汗腐蝕 Resistance to Perspiration
- 鼻梁變形和鏡片保持力 Bridge Deformation and lens retention
- 耐疲勞Mechanical Stability: Endurance
- 阻燃性Resistant to Ignition
- 透射比特性 Transmittance
- 光學(xué)度數(shù)允差 Optical power tolerances
- 棱鏡度允差 Prismatic power tolerance
- 設(shè)計(jì)參考點(diǎn) Design reference points
- 機(jī)械強(qiáng)度 Mechanical strength
- 表面質(zhì)量 Material and surface quality
- 鎳釋放 Nickel release
- 資料與標(biāo)簽 Identification | 
