探视镜

例句：

1. 1. The doctor uses a handheld device to examine the patient's eyes.
   医生使用手持设备来检查病人的眼睛。
2. 2. The nurse carefully placed the patient on the examination table.
   护士小心地把病人放在检查台上。
3. 3. During the examination, the doctor used the mirror to observe the patient's condition.
   在检查过程中，医生用镜子观察病人的状况。