Under water, a transparent nictitating membrane lubricated by special glands, protects the eye. The crocodile can also partially retract its eyes to protect them from damage.

• 在水下；会有一种由特别的分泌腺润滑的透明薄膜保护眼睛.；鳄鱼亦能部分地缩小眼球以避免伤害