预后不良有力的预测试验包括瞳孔反射或角膜反射消失。
Tests that are strong predictors of poor outcome include absent pupillary reflexes or corneal reflexes.
瞳孔即眼球中间黑色部分，瞳孔反射即当光线照射瞳孔时，瞳孔会变小。
The pupil, the black part of the eye, usually gets smaller when light is held in front of it.
每一只眼睛被分为七个围绕着瞳孔的同心圆和45个反射区，代表着不同的对应器官和系统。
Each eye is divided into seven concentric circles around the pupil and 45 reflection zones, representing the corresponding organs and systems.
检查瞳孔对光反射要通过对每个瞳孔轮流照射光线。检查直接对光反射和间接对光反射。
Test the pupillary reaction to light by shining a light on each pupil in turn. Observe for the direct reaction and the consentual reaction.
左侧瞳孔扩大，对光反射和调节反射消失。
The pupil on the left is dilated and does not react to the light or accommodation.
我们利用现今流行且实用的瞳孔—角膜反射向量法作为理论依据，在实现过程中，我们改进和实现了一个高效的实时眼动跟踪算法，即线性逼近预测算法。
Based on the theory of pupil center corneal reflection, the authors improved and realized a highly efficient linear prediction algorithm for real-time eye gaze image processing.
结论急性硬膜下血肿患者年龄<40岁、术前GCS评分较高、术前瞳孔光反射存在、术前无低血压和低氧血症、无脑肿胀，患者功能恢复相对较好。
Conclusion Functional recovery is more likely to be achieved in patients who are under 40 years old, and have preoperative reactive pupils, higher GCS score and the absence of ABS during surgery.
结论急性硬膜下血肿患者年龄<40岁、术前GCS评分较高、术前瞳孔光反射存在、术前无低血压和低氧血症、无脑肿胀，患者功能恢复相对较好。
Conclusion Functional recovery is more likely to be achieved in patients who are under 40 years old, and have preoperative reactive pupils, higher GCS score and the absence of ABS during surgery.
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