Lens Type: Mirror Base Curve: 8 TR90: TR90 is thermoplastic material produced in Switzerland it is incredibly durable, flexible, and lightweight Tri Acetate Cellulose: Acetate is hypoallergenic, lightweight, and can come in many different colours.
想要找到自己目前的鏡框尺寸,可以檢查鏡框內的鏡腿。數值應以如下所示的格式顯示:
鏡片寬度 | 鼻樑架寬度 | 鏡腿長度 | |
---|---|---|---|
特小 | XXmm以下 42 mm | XXmm以下 16 mm | XXmm以下 130 mm |
小 | 42-48 mm | 16-17 mm | 130-135 mm |
中 | 49-52 mm | 18-19 mm | 136-140 mm |
大 | 53-58 mm | 20-23 mm | 141-150 mm |
加大 | 58 mm以上 | 23 mm以上 | 150 mm以上 |