Table 1 Baseline characteristics data

Number of patients

Total 18

Male 9

Female 9

Average age

64 ± 16 years

Number of eyes

18

 Right eyes

9

 Left eyes

9

Number of primary PK

Mean 1.28 (± 0.6)

 1

14 (77.8%)

 2

3 (16.7%)

 3

1 (5.6%)

Indications for primary PK

 Keratoconus

8 (44.4%)

 Corneal decompensation with bullous keratopathy due to Fuchs’ endothelial dystrophy

4 (22.2%)

 Pseudophakic bullous keratopathy

3 (16.6%)

 Keratoglobus

1 (5.6%)

 Granular corneal dystrophy

1 (5.6%)

 Iatrogenic keratectasia after Laser in situ keratomileusis (LASIK)

1 (5.6%)

Indications for sequential DMEK (secondary corneal decompensation with or without a bullous keratopathy)

 Graft failure

10 (55.6%)

 Graft rejection

3 (16.6%)

 Transplanted guttae

3 (16.6%)

 After cataract surgery (pseudophakic bullous keratopathy)

1 (5.6%)

 As a result of intraocular inflammation

1 (5.6%)

Phakic eye at the time of sequential DMEK

2 (11.1%)

Pseudophakic eye

16 (88.9%)