Research Progress on Diagnostic Methods of Dry Eye

Dry eye is one of the most common chronic ophthalmic diseases, and the number of patients with dry eye is increasing. There is still no unified diagnostic standard in China. Understanding the pathophysiology of dry eye can help guide clinical treatment. Traditional clinical detection parameters can provide certain objective diagnostic indicators, but in actual clinical diagnosis, it is often necessary to combine auxiliary diagnostic instruments. This review introduces the definition, pathophysiology, clinical testing parameters, and clinical diagnostic methods of dry eye, and summarizes the application of diagnostic instruments and their advantages and disadvantages. This review will provide a more in-depth understanding of the research progress of dry eye and its diagnosis.