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To compare the results of same day transepithelial phototherapeutic keratectomy (t-PTK) and single inferior intracorneal ring segment (ICRS) combined with standard versus accelerated corneal collagen crosslinking (CXL) for keratoconus.

All consecutive progressive keratoconus eyes that underwent standard or accelerated CXL treatment preceded by same day t-PTK and placement of a single inferior ICRS and had 6  and 12 months of follow-up were reviewed retrospectively. Eyes were classified into two groups, the ‘standard’ and the ‘accelerated’ group, accordingly. Visual, refractive and topographic data prior to surgery and at 6 and 12 months post-treatment were analysed.

Sixteen eyes were included in each of the standard and the accelerated groups. Mean patient age was 27.5±8.5 years and 30.5±10.7 years (p=0.38) in the standard and accelerated groups, respectively. There …