Methods Examine the 34 patients with ultrasonic B and the mirror for anterior chamber angle, then extractive the foreign body in the anterior chamber angle under the eyespeculum.
方法对各类前房角异物34例应用前房角镜、影像学及B超检查，明确诊断后，采用显微镜下手术取出。
2
You will be aware of a support (speculum), which helps to hold your eye open.