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Table 1 Safety of CXL in thin corneas

From: Corneal collagen cross-linking (CXL) in thin corneas

Author, year

No. of eyes

Surgical procedures

Follow up (months)

VA and topography changes

Endothelial loss

Other complications

Kymionis, et al. 2012 [38]

14

Conventional

12

UDVA and CDVA improved, Kmean reduced

Yes

No

Hafezi, et al. 2009 [30]

20

Hypoosmolar riboflavin solution

6

Kmax stable or reduced

–

No

Raiskup and Spoerl 2011 [42]

32

Hypoosmolar riboflavin solution

12

CDVA and Kmax stable

–

No

Wu, et al. 2014 [43]

15

Hypoosmolar riboflavin solution

12

1 eye lost 1 line CDVA, the rest remained stable or improved, Kmax and Kmin reduced

No

No

Soeters and Tahzib 2015 [48]

13

Hypoosmolar riboflavin solution

12

CDVA improved, Kmax, Kmin and Kmean remain stable

No

No

Gu, et al. 2015 [45]

8

Hypoosmolar riboflavin solution

3

CDVA stable, Kmax stable

Yes

No

Filippello, et al. 2012 [28]

20

Transepithelial CXL

18

UDVA and CDVA improved, keratometry values decreased

No

No

Spadea and Mencucci 2012 [31]

16

Transepithelial CXL

6–12

UDVA and CDVA improved, Kmax reduced

No

No

Kymionis, et al. 2009 [29]

2

Custom epithelial debridement

9

Topography stable

No

No

Kaya, et al. 2011 [69]

2

Custom epithelial debridement

1

–

–

No

Mazzotta and Ramovecchi 2014 [70]

10

Custom epithelial debridement

12

UDVA, CDVA stable, Kmean reduced

No

No

Jacob, et al. 2014 [73]

14

Contact lens-assisted

6–7

CDVA stable, Kmax stable

No

No

  1. K max = Maximum keratometric reading, K min = Minimum keratometric reading, K mean = Mean keratometry reading, SimK = Simulated keratometry, VA = Visual acuity, UDVA = Uncorrected distance visual acuity, CDVA = Corrected distance visual acuity