Table 1.
Demographical information, indications, and previously diagnosed comorbidities in patients receiving an aphakic Boston snap-on type I keratoprosthesis at the Bascom Palmer Eye Institute
| Ocular history | Group (n=45) |
|---|---|
| Demographics | |
| Number of eyes | 45 |
| Mean age at surgery (years ± SD) | 66.7±16.8 |
| Females, n (%) | 23 (51) |
| Right eye, n (%) | 28 (62) |
| Prior corneal grafts | |
| Prior failed graft, n (%) | 40 (89) |
| Number of previously failed grafts, n ± SD | 2.5±1.0 |
| Underlying corneal pathologya | |
| Glaucoma related, n (%) | 11 (24) |
| Aphakic or pseudophakic bullous keratopathy, n (%) | 7 (16) |
| Thermal/chemical burn, n (%) | 4 (9) |
| Herpetic keratitis, n (%) | 4 (9) |
| Uveitis, n (%) | 4 (9) |
| Keratoconus, n (%) | 2 (4) |
| Fuch’s endothelial dystrophy, n (%) | 2 (4) |
| Stevens–Johnson syndrome, n (%) | 2 (4) |
| Retinal detachment related, n (%) | 2 (4) |
| Aniridia, n (%) | 1 (2) |
| Corneal ulcer, n (%) | 1 (2) |
| Corneal exposure, n (%) | 1 (2) |
| Endophthalmitis, n (%) | 1 (2) |
| Irido-corneal-endothelial syndrome, n (%) | 1 (2) |
| Mooren’s ulcer, n (%) | 1 (2) |
| Riley day syndrome, n (%) | 1 (2) |
| Contralateral eye | |
| No significant pathology, n (%) | 6 (13) |
| Visually impaired/legal blindness, n (%) | 26 (58) |
| Blind/anophthalmic, n (%) | 13 (29) |
| Preoperative lens status | |
| Pseudophakia, n (%) | 25 (56) |
| Aphakia, n (%) | 19 (42) |
| Iris status | |
| Aniridia, n (%) | 14 (31) |
| Ocular and surgical history | |
| Underlying glaucoma, any type, n (%) | 34 (76) |
| Prior glaucoma drainage implant, n (%) | 25 (26) |
| Previous vitrectomy, n (%) | 12 (27) |
Note:
a
In patients with multiple ocular comorbidities, the most likely primary etiology leading to the need for KPro implantation was listed.
Abbreviations: Kpro, keratoprosthesis; n, number.