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Continue to Chat#ProtectingSight #414: Our natural sleep cycle. Eyehance, depth of focus, hybrid polymer tips, & oculogyric crisis. Portfolio management & individual position sizing. https://protectingsight.com/2021/08/01/protectingsight-414-our-natural-sleep-cycle-eyehance-depth-of-focus-hybrid-polymer-tips-oculogyric-crisis-portfolio-management-individual-position-sizing/