Instruction to be used How long can I preserve an opened solitary dose of VISMED® or VISMED® Gel ahead of I need to replace it???????? ???????? ???????? ??????? ?? ????? ????? ??? ???? ????????? ?? ???? ??????????? ????????.Otherwise or else advisable, instill 1 or 2 drops of VISMED® GEL onto the attention as often as necessary. Immediately afte