2020–2021 BCSC Basic and Clinical Science Course™
8 External Disease and Cornea
Chapter 8: Systemic Disorders With Corneal and Other Anterior Segment Manifestations
Highlights
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A Kayser-Fleischer ring is found not only in Wilson disease but also in primary biliary cirrhosis, chronic active hepatitis, and exogenous chalcosis. It should not be confused with a Fleischer ring, an iron ring seen in keratoconus.
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Crystals in the cornea are often related to amyloid deposition but may also be related to cystinosis and dysproteinemia.
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Patients with diabetes mellitus may have problems with epithelial healing after debridement and are at risk for recurrent corneal erosion.
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The differential diagnosis for prominent corneal nerves includes multiple endocrine neoplasia.
Excerpted from BCSC 2020-2021 series: Section 10 - Glaucoma. For more information and to purchase the entire series, please visit https://www.aao.org/bcsc.