Systematic Reviews
Copyright ©The Author(s) 2025.
World J Methodol. Dec 20, 2025; 15(4): 101033
Published online Dec 20, 2025. doi: 10.5662/wjm.v15.i4.101033
Figure 1
Figure 1 PRISMA guideline showing retrieved records stratification.
Figure 2
Figure 2 Distribution of records used by year.
Figure 3
Figure 3 Tear break-up time diagnostic flowchart. TUBT: Tear break-up time.