From: A novel ophthalmic viscosurgical device-free phakic intraocular lens implantation makes myopic surgery safer
OVD-free PIOL implantation
Standard PIOL implantation
Number of side port(s)
2
1, or none
OVD usage
No
Yes
OVD removal
Unfolding of the PIOL
Quick
Slow
Consumption of BSS
Less
More
Duration of surgery
Short
Long