https://youtu.be/SOrE9sAVUs8 This is a question commonly asked by patients especially the users of glaucoma eye drops since they are supposed to take the treatment for a long time. How many drops a bottle will dispense depends on the viscosity of the drug and the size of the hole in the eye dropper. It is generally accepted that the drugs which have the viscosity similar to that of water will have about 20 drops in one [...]