Factors predicting change in corneal astigmatism following suture removal in post-penetrating keratoplasty patients

Figures & data

Table 1 Corneal biomechanics parameters acquired from Corvis ST

Corneal biomechanics parameter	Definition
First applanation time (A1 time)	Time from start until the first applanation (corneal flattening) in milliseconds
Maximal deformation amplitude (DA)	Deformation amplitude at the highest concavity in millimeters
Radius at highest concavity (RHC)	Radius of corneal curvature at the highest concavity in millimeters

Table 2 Indications for corneal transplantation

Indications for corneal transplantation	Number of patients (%) (n=27)
- Corneal dystrophy	13 (46.3)
- Graft failure	5 (17.9)
- Pseudophakic/aphakic bullous keratopathy	5 (17.9)
- Corneal scar	3 (10.7)
- Keratoconus	1 (3.6)
- Corneal decompensation form secondary causes	1 (3.6)

Figure 1 The correlation between corneal astigmatism before suture removal and change in corneal astigmatism after suture removal in post-keratoplasty patients.