本文提出一种利用正交线偏振光来进行眼科检查，从而改善诊断结果的简便而有效的方法。文中简述了工作原理，并给出线偏振光在检查角膜内皮、视网膜神经纤维层以及青光眼视野检查三方面应用的结果。 This paper presents an easy and effective way to use ophthalmic linearly polarized light for ophthalmic examinations to improve diagnostic results. The article briefly describes the working principle, and gives the results of the application of linear polarized light in examining the corneal endothelium, retinal nerve fiber layer and glaucoma visual field examination.