Table 1.

Inclusion criteria for the deep anterior lamellar keratoplasty and penetrating keratoplasty groups.

	Inclusion Criteria	Exclusion Criteria
DALK	BCVA < 0.3 logMAR < 0.52 Amsler’s grade keratoconus – III, IV Central corneal thickness > 350µm Endothelial cell density > 2000 cells/mm2 No signs of Descemet’s membrane rupture (no hydrops history, no corneal opacities)	Patients with other ophthalmic diseases that may affect postoperative outcomes, such as: amblyopic eye, cataract, glaucoma and retinal disorders Noncompliance patients
PK	BCVA < 0.3 logMAR < 0.52 Amsler’s grade keratoconus – III, IV Signs of Descemet’s membrane rupture (history of hydrops, corneal opacities)	Patients with other ophthalmic diseases that may affect postoperative outcomes such as: amblyopic eye, cataract, glaucoma and retinal disorders Noncompliance patients

DALK, Deep Anterior Lamellar Keratoplasty; PK, Penetrating Keratoplasty; BCVA, Best Corrected Visual Acuity.