Table 1.

Comparison of major clinically used keratorostheses.

	Core material	Skirt material	Surgery stages	Further studies on	References
B-KPro	Donor cornea with PMMA	Titanium	1 stages	Improve adhesion between the cornea and the prosthesis	Lee et al., 2017
OOKP	PMMA	Tooth, Tibia	2-3 stages	Replace the biological part	Hille, 2018
Alphacor	PHEMA	Porous PHEMA	2 stages	Improve adhesion between the cornea and the prosthesis	Jirásková et al., 2011
KeraKlear®	Hydrophilic acrylic polymer	Hydrophilic acrylic material	1 stages	Improve adhesion between the cornea and the prosthesis (biointegration)	Pineda, 2015
MICOF*	PMMA	Titanium	2 stages	Improve adhesion between the cornea and the prosthesis (biointegration)	Wang et al., 2015; Ma et al., 2017
Miro Cornea®	Hydrophobic acrylic polymer	Hydrophobic acrylic polymer	1 stages	Improve adhesion between the cornea and the prosthesis (biointegration)	Schrage et al., 2014

^*Moscow eye microsurgery complex in Russia.