According to Organon,a single dose is given, then the reaction is been watched, As long as the healing process continues, no further medicatin. sounds probably familiar to every one. Now the situation should be antidoted with you. But because GM is not in reach now, we need to know more about what kind of spots are in your vision, what for did you get phos. in the first place, your reaction to it at first. the same about the calc.