Covid-19 reportedly causes Multiorgan failure, however its complications continue to rise affecting eyes. New research discovered that Sars-CoV-2 infection may cause small fiber neuropathy on the ocular surface, with symptoms and morphological characteristics similar to dry eye disease (DED) and diabetic neuropathy. The findings of this
Study published in the Ocular Surface journal conducted by Alberto Barros and the team with the objective to investigate the relationship between Sars-CoV-2 infection and small fiber neuropathy in the cornea as detected by in vivo corneal confocal imaging.
This observational retrospective analysis included 23 patients who have overcome COVID-19. In addition, 46 uninfected volunteers were selected and analyzed as a control group. All participants were evaluated using in vivo confocal microscopy to capture pictures of ocular sub-basal nerve fibers to look for neuroma-like formations, axonal beadings, and dendritic cells. As indications of DED and ocular surface pathology, the Ocular Surface Disease Index (OSDI) questionnaire and Schirmer tear test was utilized.
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