USP 788 & 789 is Standard US Pharmacopeia for USP 788 (Particulate Matter Counter in Injections) and USP 789 (Particulate Matter Counter in Ophthalmic Solutions).
It talks about two methods:
Light Obscuration Particle Count Test.
Microscopic Particle Count Test.
ImageProVision has two software which follow the method USP 788 i.e., ipvPCount and ipvAutoCount. Nowadays, Companies prefer to do microscopic test because it gives direct results. Also, it is more accurate.
