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Mini asymmetric radial keratotomy

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Mini asymmetric radial keratotomy
MARK: micro-incisions (white) performed on the area affected by keratoconus
Specialty{{#statements:P1995}}
ICD-9-CM11
MeSHD054140
[[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]]

Mini asymmetric radial keratotomy (MARK) is a surgical procedure used to treat keratoconus and correct astigmatism, developed by Italian eye surgeon Marco Abbondanza in 1993.[1]

Procedure[edit]

MARK surgery consists of a series of micro-incisions of variable depth, with a length between 1.75 and 2.25 millimeters, always made with a diamond knife and a "double concentric corneal marker", designed to cause a controlled scarring of the cornea, which changes its thickness and shape. MARK is never performed on the optical zone, being done only in the area where keratoconus is localized, therefore both the flattening and the structural reinforcement of scar tissue occur only locally in the distorted zone, avoiding an excessive flattening of the cornea.[2] Mini Asymmetric Radial Keratotomy, if performed properly, is able to correct astigmatism and stabilize the first and second stages of keratoconus, avoiding the need for a corneal transplantation.[3][4][5][6]

References[edit]

  1. Abdelaziz, L; Barbara R. 2013. "History of the development of the treatment of keratoconus". International Journal of Keratoconus and Ectatic Corneal Diseases. 2 (1): 31-33
  2. Abbondanza, M. (1997). "Mini Cheratotomia Radiale Asimmetrica (Mini ARK) per la correzione chirurgica del cheratocono in fase iniziale, nell’ipermetropia e nelle miopie lievi". Esperienze (in Italian) 12 (1): 21-24
  3. Lombardi, M.; Abbondanza, M. (1997). "Asymmetric radial keratotomy for the correction of keratoconus". Journal of Refractive Surgery. 13 (3): 302–307. PMID 9183763.
  4. La curva pericolosa della cornea - Il Giornale
  5. Kohlhaas, M.; Draeger, J.; Böhm, A.; Lombardi, M.; Abbondanza, M.; Zuppardo, M.; Görne, M. (2008). "Zur Aesthesiometrie der Hornhaut nach refraktiver Hornhautchirurgie" [Aesthesiometry of the cornea after refractive corneal surgery]. Klinische Monatsblätter für Augenheilkunde (in German). 201 (10): 221–223. doi:10.1055/s-2008-1045898. PMID 1453657.CS1 maint: Unrecognized language (link)
  6. Fujimoto, K.; Osawa, H.; Moriyama, T.; Miyamoto, T.; Irie, T.; Nishimura, T.; Inoue, T. (2017). "Long-Term Stability of Minimally Invasive Radial Keratotomy for Mild to Moderate Keratoconus". Asia-Pacific Journal of Ophthalmology. 6 (5): 407–411. PMID 28581285.


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