About: Corneal button

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A corneal button is a replacement cornea to be transplanted in the place of a damaged or diseased cornea normally approximately 8.5–9.0mm in diameter. It is used in a corneal transplantation procedure (also corneal grafting) whereby the whole, or part, of a cornea is replaced. The donor tissue can now be held for days to even weeks of the donor's death and is normally a small, rounded shape. The main use of the corneal button is during procedures where the entirety of the cornea needs to be replaced, also known as penetrating keratoplasty.

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  • A corneal button is a replacement cornea to be transplanted in the place of a damaged or diseased cornea normally approximately 8.5–9.0mm in diameter. It is used in a corneal transplantation procedure (also corneal grafting) whereby the whole, or part, of a cornea is replaced. The donor tissue can now be held for days to even weeks of the donor's death and is normally a small, rounded shape. The main use of the corneal button is during procedures where the entirety of the cornea needs to be replaced, also known as penetrating keratoplasty. (en)
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  • Corneal button one day after surgery (en)
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  • Corneal button (en)
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  • ophthalmology (en)
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  • A corneal button is a replacement cornea to be transplanted in the place of a damaged or diseased cornea normally approximately 8.5–9.0mm in diameter. It is used in a corneal transplantation procedure (also corneal grafting) whereby the whole, or part, of a cornea is replaced. The donor tissue can now be held for days to even weeks of the donor's death and is normally a small, rounded shape. The main use of the corneal button is during procedures where the entirety of the cornea needs to be replaced, also known as penetrating keratoplasty. (en)
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  • Corneal button (en)
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