Table 2 Visual, refractive and topographic outcomes of single-step transepithelial PRK for hyperopia

UDVA (logMAR)

Mean ± SE

0.53 ± 0.02

0.07 ± 0.01

0.08 ± 0.01

 < 0.001

 < 0.001

 < 0.001

0.999

Range

0.3 to 0.8

0.0 to 0.2

0.0 to 0.3

CDVA (logMAR)

Mean ± SE

0.02 ± 0.01

0.010 ± 0.007

0.010 ± 0.007

0.135

NA

NA

NA

Range

0.0 to 0.3

0.0 to 0.2

0.0 to 0.2

Manifest SEQ (D)

Mean ± SE

2.96 ± 0.53

0.33 ± 0.04

0.38 ± 0.03

 < 0.001

 < 0.001

 < 0.001

0.280

Range

2.00 to 4.25

 − 0.25 to 0.75

 − 0.25 to 1.0

Cycloplegic SEQ (D)

Mean ± SE

3.21 ± 0.61

0.35 ± 0.04

0.41 ± 0.04

 < 0.001

 < 0.001

 < 0.001

0.459

Range

2.0 to 4.5

 − 0.25 to 1.0

 − 0.25 to 1.12

Cycloplegic sphere (D)

Mean ± SE

2.75 ± 0.05

0.16 ± 0.05

0.22 ± 0.04

 < 0.001

 < 0.001

0.001

0.234

Range

1.75 to 3.00

 − 0.5 to 0.75

 − 0.5 to 0.75

Cycloplegic cylinder (D)

Mean ± SE

0.93 ± 0.11

0.35 ± 0.03

0.39 ± 0.04

 < 0.001

 < 0.001

0.001

0.999

Range

0.00 to 3.00

0.00 to 0.75

0.00 to 1.00

Km (D)

Mean ± SD

42.52 ± 1.19

44.76 ± 1.31

44.74 ± 1.29

 < 0.001

 < 0.001

 < 0.001

0.058

Range

40.3 to 45.8

42.2 to 47.7

42.2 to 47.7

Q value

Mean ± SE

 − 0.21 ± 0.01

 − 0.90 ± 0.02

 − 0.89 ± 0.02

 < 0.001

 < 0.001

 < 0.001

0.785

Range

 − 0.11 to − 0.34

 − 0.62 to − 1.34

 − 0.63 to − 1.34

Difference

NA

 − 0.69 ± 0.01

 − 0.68 ± 0.01

NA

 < 0.001

 < 0.001

0.940