title: [Focus on dry eye diagnosis].
abstract: Dry eye is a multifactorial problem involving the nerve, lacrimal glands, the eyelids, ocular surface and lacrimal duct, which might cause a major difficulty in patients' life. It is essential to establish an accurate diagnosis of dry eye for the successful of treatment. In this article the changes of dry eye definition are analyzed and the evaluation of various clinical diagnostic tools is summarized. The advantages and disadvantages of different types of diagnostic tools are compared systemically. Only by using an efficient method to establish an accurate dry eye diagnosis, oculists can avoid treating dry eye blindly.
authors: Zhi-Qiang
authors: ZQ
authors: Pan
mesh_terms: D006801:Humans; D014985:Xerophthalmia / Q000175:diagnosis*