Uncorrected visual acuity (LogMAR) | 0.88 ± 0.64 (−0.1 to 2.3) |
Best-corrected visual acuity |
0.40 ± 0.49 (−0.1 to 2.2) |
Q-value | −0.92 ± 0.63 (−2.73 to 2.15) |
Thinnest pachymetry (microns) | 459.39 ± 56.96 (282–589) |
Mean keratometry (diopter) | 49.7 ± 6.64 (33.2–80.3) |
Male | 200 (73.8) |
Female | 71 (26.2) |
Only right eye | 5 (1.9%) |
Only left eye | 4 (1.5%) |
Both eyes | 262 (97%) |
Itching | 128 (47.2) |
Known allergy |
48 (17.7) |
Blurred vision or frequently needed new glasses prescription | 237 (87.5%) |
Glasses | 141 (52) |
Contact lens |
27 (10) |
Both glasses and contact lens | 16 (5.9) |
None | 87 (32.1) |
Stage 1 | 206 (38.6) |
Stage 2 | 169 (31.7) |
Stage 3 | 36 (6.8) |
Stage 4 | 122 (22.9) |
Munson sign | 78 (14.8) |
Rizutti sign | 37 (6.9) |
Fleischer ring | 150 (28.1) |
Vogt striae | 133 (25) |
Corneal scarring | 46 (8.6) |
Corneal staining | 41 (7.7) |
Prominent corneal nerve | 15 (2.8) |
Oval | 305 (57.2) |
Nipple | 22 (4.1) |
PMD-like | 28 (5.3) |
Astigmatic | 178 (33.4) |
ICRS | 105 (19.7) |
CXL | 145 (27.2) |
Both ICRS and CXL | 65 (12.2) |
Unilateral | 12 (4.4) |
Bilateral | 103 (38) |
No need | 156 (57.6) |