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Epikeratophakia
Epikeratophakia
ICD-9-CM	11.76
MeSH	D017391
	[edit on Wikidata]

Epikeratophakia ^[1] (also known as epikeratoplasty and onlay lamellar keratoplasty^[2]) is a refractive surgical procedure in which a lamella of a donor cornea is transplanted onto the anterior surface of the patient's cornea. A lamellar disc from a donor cornea is placed over the de-epithelialized host cornea and sutured into a prepared groove on the host cornea. Indications include treatment of keratoconus, refractive errors like myopia and high hypermetropia including aphakia, which cannot be corrected with conservative methods.^[2]

Complications

Common complications of epikeratophakia include delayed post operative visual recovery, reduced best corrected visual acuity, prolonged epithelial defects and irregular astigmatism.^[3]^[2]

History

In 1949, José Barraquer introduced refractive procedure of inclusion of a lenticule within the corneal stromal layer. In 1980s, based on Barraquer's procedure, Werblin, Kaufman and Klyce at the LSU Eye Center introduced epikeratophakia.^[4]

References

^ Sunita Agarwal; Athiya Agarwal; David J. Apple, M.D. (2002). Textbook of Ophthalmology. Jaypee Brothers Publishers. pp. 1189–. ISBN 978-81-7179-884-1. Retrieved 23 February 2013.^{[permanent dead link‍]}
^ ^a ^b ^c Dimitri T., Azar (2007). "Terminology, classification, and history of refractive surgery". Refractive surgery (2nd ed.). Philadelphia: Mosby / Elsevier. ISBN 978-0-323-03599-6. OCLC 853286620.
^ Halliday, Brett L. (1990-07-01). "Epikeratophakia for keratoconus". Eye. 4 (4): 531–534. doi:10.1038/eye.1990.72. ISSN 1476-5454. PMID 2226979. S2CID 45462608.
^ Dimitri T., Azar (2007). "Intracorneal alloplastic inclusions and femtosecond laser lamellar surgery". Refractive surgery (2nd ed.). Philadelphia: Mosby / Elsevier. ISBN 978-0-323-03599-6. OCLC 853286620.