grating acuity

例句：

1. 1.The patient's grating acuity was tested with a test chart.
   患者通过测试图表测试了其视敏度。
2. 2. The doctor found that the patient's grating acuity had improved significantly.
   医生发现患者的视敏度有显著提高。
3. 3. The patient's grating acuity is an important factor in determining his visual acuity.
   患者的视敏度是决定他视力的一个重要因素。