Table 1 Descriptive statistics of the examined parameters before and four months after Descemet Membrane Endothelial Keratoplasty (DMEK) depending on the intraoperative occurrence of splitting of the recipient’s Descemet Membrane.

From: Visual and ultrastructural analysis after splitting of recipient’s Descemet membrane during Descemet membrane endothelial keratoplasty

 

Intraoperative splitting

No intraoperative splitting

Parameter

Before DMEK

After DMEK

Before DMEK

After DMEK

Corrected distance visual acuity (Mean ± SD)

0.42 ± 0.22 logMAR

0.12 ± 0.12 logMAR

0.56 ± 0.39 logMAR

0.12 ± 0.12 logMAR

Endothelial cell density (Mean ± SD)

2554.9 ± 184.7 cells/mm²

1614.7 ± 535.5 cells/mm²

2560.7 ± 193.5 cells/mm²

1640.4 ± 522.2 cells/mm²

Central corneal thickness (Mean ± SD)

640.7 ± 88.4 µm

514.6 ± 39.3 µm

647.8 ± 104.8 µm

511.6 ± 41.4 µm

Thinnest corneal thickness (Mean ± SD)

600.7 ± 54.0 µm

507.3 ± 41.0 µm

600.4 ± 86.1 µm

503.2 ± 42.4 µm

Corneal volume (Mean ± SD)

62.9 ± 6.2 mm³

59.3 ± 4.5 mm³

63.2 ± 10.9 mm³

59.8 ± 6.2 mm³

Posterior corneal density (Mean ± SD)

22.2 ± 9.1 GSU

21.2 ± 5.4 GSU

21.3 ± 7.2 GSU

21.8 ± 5.9 GSU

  1. logMAR logarithm of the minimum angle of resolution, GSU Grayscale units, SD Standard deviation.