glass-body-demilune body

例句：

1. 1. The doctor examined the patient's eyes and found a glass-body tear in his left eye.
   医生检查了病人的眼睛，发现他的左眼有玻璃体泪液。
2. 2. The patient had to wear glasses to correct his vision.
   病人必须戴眼镜来矫正视力。
3. 3.The retina is responsible for transmitting light signals from the eyes to the brain.
   视网膜负责将眼睛发出的光信号传递到大脑。