dioptometry

例句：

1. 1. Optometrists are trained to diagnose and treat eye diseases.
   验光师受过训练，能够诊断和治疗眼部疾病。
2. 2. The new glasses have been designed to correct myopia.
   新眼镜被设计用来矫正近视。
3. 3. In dioptometry, the patient's visual acuity is measured to determine if they need glasses or contact lenses.
   在视光学中，患者的视野清晰度被测量，以确定他们是否需要眼镜或隐形眼镜。