Fig. 5From: Relative peripheral refraction across 4 meridians after orthokeratology and LASIK surgeryTwo-dimensional representation of axial and peripheral RPRE (relative M and J0 for post minus pretreatment) across horizontal (70° central in 5° steps [a, e]), vertical (30° central in 5° steps [b, f]) and two oblique meridians (40° central in 5° steps [c, g and d, h]) for OK and LASIK surgery, respectivelyBack to article page