May 2005
Volume 46, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2005
Scanning Electron Microscopic Findings of the Flap From Exacerbated Avellino Corneal Dystrophy
Author Affiliations & Notes
  • E.–K. Kim
    Ophthalmology, Yonsei University, Institute of vision research, Seoul, Republic of Korea
  • M.I. Roh
    Ophthalmology, Yonsei University, Institute of Vision Research, Seoul, Republic of Korea
  • S.–H. Chung
    Ophthalmology, Yonsei University, Institute of Vision Research, Seoul, Republic of Korea
  • H.E. Grossniklaus
    Ophthalmology,
    Emory University, Atlanta, GA
  • S.J. Kang
    Ophthalmology,
    Emory University, Atlanta, GA
  • W.C. Kim
    Emory University, Atlanta, GA
  • S.Y. Choi
    Ophthalmology, Yonsei University, Institute of Vision Research, Seoul, Republic of Korea
  • Footnotes
    Commercial Relationships  E. Kim, None; M.I. Roh, None; S. Chung, None; H.E. Grossniklaus, None; S.J. Kang, None; W.C. Kim, None; S.Y. Choi, None.
  • Footnotes
    Support  Korea Health 21 R&D Project, Ministry of Health & Welfare, Republic of Korea. (02–PJ1–PG1–CH02–0003)
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 4920. doi:
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      E.–K. Kim, M.I. Roh, S.–H. Chung, H.E. Grossniklaus, S.J. Kang, W.C. Kim, S.Y. Choi; Scanning Electron Microscopic Findings of the Flap From Exacerbated Avellino Corneal Dystrophy . Invest. Ophthalmol. Vis. Sci. 2005;46(13):4920.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Abstract: : Purpose: To introduce new pathological findings showing the pathogenesis of Avellino corneal dystrophy (ACD) Methods: Three heterozygote ACD eyes showing numerous recently accumulated granules at the interface after LASIK and three normal eyes after LASIK were enrolled. Scanning electron microscopy was performed on the stromal surface of the removed LASIK flaps. Results: In all eyes, breaks of collagen bundles were observed at stromal side of flap. In ACD eyes, abundant abnormally clumped materials were observed at the stromal surface of the flap attached to collagen fibers, while there was no crystallized material in flaps of normal eyes. Conclusions: The R124H mutated gene in ACD would induce production of abnormal material by keratocyte during repair of damaged collagen.

Keywords: pathology: human • cornea: clinical science • refractive surgery: complications 
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