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Table 1 Preoperative demographics of the study population

From: Effect of corneal cross-linking on endothelial cell density and morphology in the peripheral cornea

Demographic

Mean ± standard deviation (range)

Age (years)

26.2 ± 8.6 (20 to 47)

Gender (% female)

61

Spherical equivalent refraction (D)

−4.52 ± 4.28 (1.00 to −13.50)

Manifest cylinder (D)

− 4.19 ± 3.79 (0.00 to − 11.00)

UDVA (logMAR)

0.25 ± 0.27 (0.7 to − 0.08)

Mean keratometric readings (D)

49.8 ± 3.2 (44.2 to 55.3)

Central cornea thickness (μm)

478.1 ± 51.1 (400 to 581)

Stage of keratoconus (eyes)

 

Stage I

8

Stage II

18

Stage III

5

  1. D Diopter, LogMAR Logarithm of the minimal angle of resolution, CDVA Corrected distance visual acuity