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Clinical features of secondary corneal amyloidosis Kaoru Araki-Sasaki 1 , Hiroto Obata 2 , Masakazu Yamada 3 , Kazunori Miyata 4 , Koji Hirano 5 , Kazuko Kitagawa 6 , Shigeru Kinoshita 7 1Ideta Eye Hosp 2Dept of Ophthalmol, Jichi Med Univ 3Nat Inst of Sen Org, Nat Hosp Org Tokyo Med Cent 4Miyata Eye Hosp 5Dept of Ophthalmol, Ban Buntane Hotokukai Hosp, Fujita Health Univ 6Dept of Ophthalmol, Kanazawa Med Univ 7Dept of Ophthalmol, Kyoto Prefec Univ of Med pp.1641-1644
Published Date 2007/9/15
DOI https://doi.org/10.11477/mf.1410101916
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Abstract. Purpose:To report the clinical features of secondary corneal amyloidosis. Cases and Method:This collaborative study was conducted by 6 institutions. Twenty cases were diagnosed with secondary corneal amyloidosis by slitlamp microscopic observation. Results:The series comprised 4 males and 16 females. The age ranged from 9 to 85 years, average 45 years. All cases were unilaterally affected. Corneal amyloidosis was caused by trichiasis in 12 eyes and by contact lens for keratoconus in 5 eyes. These basic lesions had persisted for 1 to 35 years, average 18 years. The corneal lesion appeared as elevated gelatinous drops in 15 eyes and as lattice in 5 eyes. It was located in the inferior sector in eyes with trichiasis and in the central cornea in contact lens wearers for keratoconus. Nine eyes had received lamellar keratoplasty, with fair outcome in 6 eyes. Conclusion:Secondary corneal amyloidosis mainly involves females in middle age, is due to trichiasis or keratoconus, is located at the site of corneal irritation, and appears either elevated or lattice-like lesion.

Rinsho Ganka(Jpn J Clin Ophthalmol)61(9):1641-1644, 2007


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