寬額頭及顴骨,往下巴逐漸收窄。
顴骨與下巴及額頭相比較寬。
臉部的寬度與長度相等,呈柔和曲線。
額頭、顴骨及突出的下顎線寬度相等。
寬下顎線、中等型顴骨及窄額頭。
Acetate: Acetate is hypoallergenic, lightweight, and can come in many different colours. CR39: CR39 is a lightweight, scratch resistant plastic. CR39 allows for more tint and coating choices.