Qing Guo, Houbin Huang, Yuli Pi, Hancheng Zhang
1 Department of Ophthalmology, First Hospital Affiliated to Chinese PLA General Hospital, Beijing 100048,China
2 Department of Ophthalmology,Chinese PLA General Hospital,Beijing 100853,China
3 Department of Ophthalmology,Zhujiang Hospital,Southern Medical University,Guangzhou 510280,China










Table 1 Characteristics of the study group



Figure 1 Relative activities of tear MDH isoforms



Table 2 Changes in tear MDH activities, MDH2 activities, and clinical test parameters




Table 3 Correlation analysis of tear MDH2 activities and symptoms




