Table 5 Correlations between corneal higher-order aberrations and visual acuities before and after treatment.

From: Changes in corneal higher-order aberrations during treatment for infectious keratitis

 

Before treatment

After treatment

ρ

P value

ρ

P value

HOA (4 mm)

 Total

0.530

 < 0.0001

0.590

 < 0.0001

 Anterior

0.532

 < 0.0001

0.600

 < 0.0001

 Posterior

0.422

 < 0.0001

0.647

 < 0.0001

HOA (6 mm)

 Total

0.479

 < 0.0001

0.567

 < 0.0001

 Anterior

0.479

 < 0.0001

0.570

 < 0.0001

 Posterior

0.374

0.0002

0.646

 < 0.0001

SA (4 mm)

 Total

0.543

 < 0.0001

0.515

 < 0.0001

 Anterior

0.518

 < 0.0001

0.511

 < 0.0001

 Posterior

0.380

0.0001

0.674

 < 0.0001

SA (6 mm)

 Total

0.440

 < 0.0001

0.504

 < 0.0001

 Anterior

0.417

 < 0.0001

0.491

 < 0.0001

 Posterior

0.328

0.0011

0.514

 < 0.0001

Coma (4 mm)

 Total

0.501

 < 0.0001

0.632

 < 0.0001

 Anterior

0.521

 < 0.0001

0.635

 < 0.0001

 Posterior

0.435

 < 0.0001

0.643

 < 0.0001

Coma (6 mm)

 Total

0.467

 < 0.0001

0.593

 < 0.0001

 Anterior

0.493

 < 0.0001

0.590

 < 0.0001

 Posterior

0.384

 < 0.0001

0.667

 < 0.0001

  1. One patient each with proliferative diabetic retinopathy, advanced glaucoma, and moderate-to-severe cataract were excluded from the analysis of visual acuity.
  2. Coma coma aberration, SA spherical aberration, HOA higher-order aberration, ρ Spearman’s rank correlation coefficient.