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Multiple Choice

Who was the first human corneal donor, with corneas removed and segmented for transplant?

The key idea is how donor tissue was used more efficiently in early corneal transplantation. While Eduard Zirm achieved the first successful whole-thickness corneal graft in 1905, the milestone of maximizing donor tissue by dividing corneas and using the pieces for multiple recipients marks a different kind of advance. Karl Bauer is recognized for the first instance where donor corneas were removed and segmented for transplantation, illustrating an early move toward making every donor eye go further by supplying multiple grafts. This demonstrated a practical shift from one full graft per recipient to leveraging tissue from a single donor eye to help several patients. The other names are important pioneers in corneal grafting history, but they are not credited with the donor segmentation milestone. This distinction highlights how the field progressed from achieving a single successful graft to expanding the use of available tissue through segmentation.

The key idea is how donor tissue was used more efficiently in early corneal transplantation. While Eduard Zirm achieved the first successful whole-thickness corneal graft in 1905, the milestone of maximizing donor tissue by dividing corneas and using the pieces for multiple recipients marks a different kind of advance. Karl Bauer is recognized for the first instance where donor corneas were removed and segmented for transplantation, illustrating an early move toward making every donor eye go further by supplying multiple grafts. This demonstrated a practical shift from one full graft per recipient to leveraging tissue from a single donor eye to help several patients.

The other names are important pioneers in corneal grafting history, but they are not credited with the donor segmentation milestone. This distinction highlights how the field progressed from achieving a single successful graft to expanding the use of available tissue through segmentation.