University of Miami - Bascom Palmer Eye Institute, affiliation not provided to SSRN, University of Miami - Bascom Palmer Eye Institute, University of the West Indies (Mona) - Faculty of Medical Sciences, University of the West Indies (Mona) - Faculty of Medical Sciences, University of the West Indies (Mona) - Faculty of Medical Sciences, University of the West Indies (Mona) - Faculty of Medical Sciences, University of Miami - Bascom Palmer Eye Institute, University of Miami - Bascom Palmer Eye Institute and University of Miami - Bascom Palmer Eye Institute