Outcomes of the Sub400 Protocol and Contact Lens-Assisted Corneal Cross-Linking in Advanced Thin-Cornea Keratoconus: Clinical Efficacy and Long-Term Visual Stability.
PURPOSE To compare the clinical outcomes of the sub400 protocol and contact lens-assisted corneal cross-linking (CACXL) in patients with keratoconus with corneal thickness below 400 μm. METHODS This retrospective study included 88 eyes of 88 patients with progressive keratoconus and thinnest pachymetry <400 μm. Group...