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Mitochondrial stress related to apoptotic cell death underlies pathology in a number of ocular diseases, including age-related macular degeneration (AMD), glaucoma, and diabetic retinopathy. During apoptosis, mitochondria exhibit impaired electron transport in the respiratory chain, causing increased oxidation of flavoproteins. The balance between oxidized and reduced mitochondrial flavoproteins has been shown to reflect the overall health of the cell. Flavoprotein fluorescence (FPF) enables monitoring of the relative health of mitochondria through detection of oxidized flavoproteins. Oxidized flavoproteins emit green fluorescence when excited by blue light. FPF analysis quantifies the magnitude of this green fluorescence, which is a correlate of mitochondrial dysfunction.

OcuMet Beacon Patient Report

The OcuMet Beacon™ is a novel medical device that is being developed to non-invasively assess retinal mitochondrial dysfunction. The OcuMet Beacon™ takes an infrared fundus image that highlights the acquisition area for the retinal metabolic image, takes a retinal flavoprotein fluorescence (FPF) metabolic image, and provides quantitative analysis and patient report printout. The patient report below is taken from a healthy, control eye.