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Fig. 1 | BMC Ophthalmology

Fig. 1

From: Visual rehabilitation in moderate keratoconus: combined corneal wavefront-guided transepithelial photorefractive keratectomy and high-fluence accelerated corneal collagen cross-linking after intracorneal ring segment implantation

Fig. 1

Changes in refractive outcomes, maximal keratometry, and corneal higher-ordrer aberrations in patients with moderate keratoconus who underwent combined corneal wavefront-guided transepithelial photorefractive keratectomy and high-fluence accelerated corneal collagen cross-linking after intracorneal ring segment implantation. Preop = preoperative; ICRS = intracorneal ring segment implantation; tPRK-CXL = corneal wavefront-guided transepithelial photorefractive keratectomy and corneal collagen cross-linking; MRSE = manifest refraction spherical equivalent; RMS HOAs = root mean square higher-order aberrations. Error bars represent standard error of the mean (*P < .05, **P < .01, ***P < .001)

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