| |
Normal (n = 50)
|
Sub KC (n = 33)
|
KC (n = 38)
|
|---|
|
SE (D)
|
−3.9 ± 2.3
|
−3.7 ± 4.0
|
−6.7 ± 4.5*
|
|
BCVA (decimal VA)
|
1.1 ± 0.1
|
1.0 ± 0.2*
|
0.5 ± 0.3*
|
|
Max-K (D)
|
43.0 ± 1.3
|
43.1 ± 1.9
|
46.3 ± 3.3*
|
|
Min-K (D)
|
44.3 ± 1.6
|
44.7 ± 1.3
|
51.2 ± 4.7*
|
|
Avg-K (D)
|
43.7 ± 1.4
|
43.9 ± 2.0
|
48.8 ± 3.6*
|
|
Ast-K (D)
|
1.3 ± 0.7
|
1.6 ± 0.9
|
5.3 ± 3.1*
|
- Normal= normal group; Sub-KC= subclinical keratoconus group; KC= keratoconus group; n= number of eyes; SE= spherical equivalent; BCVA= best corrected visual acuity; Max-K= maximum keratometry; Min-K= minimum keratometry; Avg-K= average keratometry; Ast-K= astigmatic keratometry; VA= visual acuity; D= diopter; *P < 0.05 compared to the normal group
