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Table 4 Vector analysis of changes in refractive cylinder

From: Clinical outcomes of Transepithelial photorefractive keratectomy to treat low to moderate myopic astigmatism

Vector parameter

Eyes (n = 47)

Mean (SD)

Range

IRC (D)

1.11 (0.40)

0.75–2.25

SIRC (D)

1.15 (0.57)

0.27–3.45

ER

0.30 (0.19)

0.00–0.667

CR

1.03 (0.3)

0.36–1.59

EM (D)

−0.04 (0.36)

−1.20-0.536

EA (°)

0.44 (7.42)

−15.00-19.13

  1. IRC intended refractive correction; SIRC surgically induced refractive correction; ER error ratio; CR correction ratio; EM error of magnitude; EA error of angle