SUPPLIER | INPUT | PROCESS | OUTPUT | CUSTOMER |
Ophthalmic surgeon | Patient | Preoperative evaluation | Improved visual acuity | Patient |
Nurse | Donor’s cornea | Evaluation of donor’s cornea | Excellent prognosis |
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Technician | Surgical material (suture and viscoelastic) | Preoperative regulation of vascular pressure | Clear cornea |
|
| Keratoplasty equipment | Trepanation of donor’s cornea |
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| Trepanation of receiver eye |
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