Table 1.
Outcomes of the 5 eyes that underwent keratoplasty after the extrusion of the non-perforating KeraKlear keratoprosthesis
| Patient | Age (years) | Ocular diagnosis (first diagnosis - when available) | Pre-Kpro VA (Snellen equivalent) | Post-Kpro VA (Snellen equivalent) | Time between Kpro implantation and Kpro extrusion (months) | Time between Kpro extrusion and keratoplasty (months) | Keratoplasty [diameter] | Post-keratoplasty VA (Snellen equivalent) | Anatomical success [cause; final VA] or functional success | Follow-up after the keratoplasty (months) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 67 | 3 previous failed PK (PBK) | CF at 10 cm | CF at 1 m | 41 | 0 | PK [donor 9.5 mm, recipient 9 mm] | 0.16 | Anatomical success [glaucomatous optic nerve atrophy; CF at 2 m] | 24 |
| 2 | 72 | LSCD | LP | CF at 50 cm | 48 | 3 | PK [donor 8 mm, recipient 7.75 mm] | 0.05 | Anatomical success [glaucomatous optic nerve atrophy; 0.05] | 12 |
| 3 | 60 | LSCD (pemphigoid) | LP | 0.16 | 14 | 0 | DALK [donor 8 mm, recipient 7.75 mm] | 0.05 | Functional success | 12 |
| 4 | 73 | LSCD | 0.05 | 0.067 | 3 | 2 | PK [donor 8 mm, recipient 7.75 mm] | 0.68 | Functional success | 24 |
| 5 | 44 | LSCD (necrotizing herpetic stromal keratitis) | HM | CF at 10 cm | 1 | 1 | DALK [donor 8.3 mm, recipient 8 mm] | 0.05 | Functional success | 12 |
PBK = pseudophakic bullous keratopathy; CF = counting fingers; DALK = deep anterior lamellar keratoplasty; Kpro = keratoprosthesis; LSCD = limbal stem cell deficiency; PK = penetrating keratoplasty; LP = light perception; VA = visual acuity (decimal scale); HM = hand motion