Under-the-Flap Crosslinking and LASIK in Early Ectasia with Hyperopic Refractive Error

Table 1

Pre- and postoperative parameters for all eyes separately and averaged.

Preoperative

Postoperative

Patient (age), pathology

Eye

UDVA (logMAR)

CDVA (IogMAR)

Manifest refraction (SE) (0)

K-readings (flat/steep/max) (D)

CCT (μm)

Laser ablation (c/max) (μm)

Follow-up (months)

UDVA

CDVA

Manifest refraction (SE)

K-readings (flat/steep/max)

CCT

1. (34), post-LAS1K

OD

0.2

0.1

0 + 2.5 × 125°(+1.25)

39.3/43.9/48.7

466

0/34.40

6

0

0

0 + 0.5 × 90°(+0.25)

40.6/44.3/48.6

476

OS

0.3

0.1

−0.25 + 3 × 45°(+1.25)

40.5/44.4/50.0

638

3.35/41.07

0.1

0.1

−0.25 + 0.5 × 60°(+0)

42.0/44.3/50.7

607

2. (23), KC

OD

0.7

0

−1.75 + 3.25 × 140°(−0.10)

41.3/45.7/47.5

516

25.18/47.17

13

0.18

0

−1.5 + 1.25 × 150°(−0.88)

42.6/44.9/46.4

501

OS

0.5

0

−1.35 + 2.25 × 10°(−0.25)

39.8/43.4/44.7

527

19.25/32.19

0

0

−0.25 + 0.50 × 30°(0)

40.6/42.6/44.8

519

3. (19), post-LASIK

OD

0.18

0

−125 + 2 × 105°(0.25)

43.9/45.6/46.8

586

18.7/29.28

15

0

0

−025 + 0.50 × 30°(0)

43.7/44.8/45.8

565

OS

0.30

0

0.025 +1.75 × 75°(+0.63)

43.8/46/47.2

581

3.43/24.26

0

0

−025 + 0.50 × 80°(0)

44.4/45.4/46.3

581

4. (21), KC

OS

0.30

0

−085 + 2.5 × 55°(+0.4)

40.4/414/44.6

515

12.64/37.71

11

0.1

0

−1.0 + 0.75 × 100°(−0.63)

42.4/44.3/46.8

493

Average

0.35±0.18

0.03 ±0.05

−0.81 + 2.46 (+0.49)

41.3/44.6/47.1

547 ± 57

11.8/35.2

11.25

0.05 ± 0.07

0.01 ± 0.04

−0.46 + 0.68(−0.13)

42.3/44.4/47.1

535 ± 48

, ,

, ,

CCT: central corneal thickness; CDVA: corrected distance visual acuity; c: central; D: diopters; KC: keratoconus; LASIK: laser-assisted in situ keratomileus; m: male; max: maximum; μm: micrometers; OD: oculus dexter; OS: oculus sinister; : -value for sphere; : -value for cylinder; : -value for spherical equivalence; SE: spherical equivalence; UDVA: uncorrected distance visual acuity.