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Table 1 Outcomes of the 5 eyes that underwent keratoplasty after the extrusion of the non-perforating KeraKlear keratoprosthesis

From: Corneal transplantation outcomes after the extrusion of an intrastromal keratoprosthesis: a pilot study

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

  1. 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