Abstract

The human eye characteristically has exposed and uniformly white sclera, which is hypothesized to have evolved to enhance eye-gaze signaling for conspecific communication. Although recent studies have put this hypothesis into question, current morphological and experimental evidence supports its key premise, albeit with recommendations for critical updates.

中文翻译：

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人类均匀白色巩膜的进化：关键更新

摘要

人眼的特征是具有暴露且均匀的白色巩膜，据推测，巩膜已经进化为增强眼睛注视信号以进行同种交流。尽管最近的研究对这一假设提出了质疑，但目前的形态学和实验证据支持其关键前提，尽管有关键更新的建议。