#keratoplasty__corneal_gaft__cornealgaft  a surgical procedure in which part or all of the cornea is replaced by healthy corneal tissue from a donor
  supertype:  plastic_surgery__plasticsurgery__cosmetic_surgery__anaplasty  surgery concerned with therapeutic or cosmetic reformation of tissue
  subtype:  epikeratophakia  using a piece of donated corneal tissue to repair the eye of someone who has had a cataract removed; "epikeratophakia gave her a living contact lens"

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