Clinical Study

Rate of Corneal Collagen Crosslinking Redo in Private Practice: Risk Factors and Safety

Table 1

Baseline patient characteristics of 221 eyes of 130 patients who underwent CXL between March 2010 and March 2013 at our private clinic. PRK: photorefractive keratectomy; ICRS: intrastromal corneal ring segments; %: number (percentage).

CharacteristicsValue

Gender
 Male (%)68 (52%)
 Female (%)62 (48%)
Age, years
 16–3095 (73.1%)
 30–5035 (26.9%)
Stage of KC (Amsler-Krumeich)
 Stage 1 (%)96 (43%)
 Stage 2 (%)100 (45%)
 Stage 3 (%)25 (12%)

Keratometry, diopters
Flattest meridian
 40–44132 (60%)
 44–4689 (40%)
Steepest meridian
 45–58122 (55%)
 58–6899 (45%)
Maximal keratometry
 48–58103 (47%)
 58–68118 (53%)

Pachymetry, microns
400–450156 (70%)
450–58065 (30%)
Associated surgeries %70 (32%)
 ICRS %50 (23%)
 PRK %20 (9%)