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Part of the book series: Essentials in Ophthalmology ((ESSENTIALS))

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Core Messages

  • Despite the widespread use of standard keratoplasty, there continues to be a worldwide need for alternative therapies due to:

    1. (a)

      Substantial rates of graft failure on long-term follow-up

    2. (b)

      Poor prognosis in patients with underlying inflammation or chemical burns

    3. (c)

      Limited access to resources including donor tissue

  • Experience with keratoprosthesis (Kpro) has grown rapidly over the past two decades, and has resulted in improved outcomes and decreased complications for a large number of patients.

  • A key lesson learned is that long-term prognosis is linked to underlying diagnosis.

  • Kpro patients should be divided into two categories and examined separately:

    1. (a)

      In patients who have experienced failed grafts for corneal dystrophies, trauma, and infection, but lack underlying severe ocular inflammation, Kpro has yielded promising results in terms of device retention and improved visual acuity.

    2. (b)

      In patients with cicatrizing autoimmune diseases and chemical burns, the prognosis for Kpro has been more guarded.

  • A variety of Kpro designs are currently in use, and may have specific applications based on underlying patient subtype.

  • Assessment of current and future Kpro technology should account for this prognostic hierarchy.

  • Experimental “biologic” designs that aim to better integrate Kpro material with corneal tissue wcom-plications, but are yet to be proven.

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Jun, J.J., Siracuse-Lee, D.E., Daly, M.K., Dohlman, C.H. (2010). Keratoprosthesis. In: Reinhard, T., Larkin, F. (eds) Cornea and External Eye Disease. Essentials in Ophthalmology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-85544-6_10

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