“…Thus, several substances, such as mixture of casein and polyvinyl alcohol, derived from rubber, polyacrylate, epoxy resin, formaldehyde resin and cyanoacrylate adhesive, were tested; however, they showed to have irritating action on ocular tissues with no effective contribution to healing (6,9,12,26,27,31). familiaris, LINNAEUS, 1758).…”