MEDLINE and EMBASE databases were searched from 2000 to 2020. 
MEDLINE
MEDLINE and EMBASE databases were searched from 2000 to 2020. 
EMBASE
Meta-analyses were performed using R software, to assess mean differences (MD) in ECD and CT change between CS-HA OVDs and HA-only or HPMC OVDs.



R software