This case reports choroidal neovascularization in a teen with Kearns Sayre syndrome, suggesting significant ocular complications.
Background Kearns Sayre syndrome (KSS) is a rare multisystem mitochondrial disorder. KSS primarily targets energy supply in cells through impaired oxidative metabolism and reduced ATP (Adenosine triphosphate) production. KSS is clinically characterized by a classic triad of chronic progressive external ophthalmoplegia, retinitis pigmentosa and cardiac conduction defect. Additional features may include neurological abnormalities, endocrinopathies, renal disease, growth failure, myopathy and more.
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Ehrenberg et al. (2025) studied this question.
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