The blind quantitati / The blind quantitative vials

Have you ever met or thought blind people were sick, need to drink some liquid medicines. Buy drugs without Braille instructions, even know the amount,the blind still uncontrolled dose of drugs every time, and only ask for the help of others.
While the bottle can be a good help to blind people to solve this problem. Provide braille on the original specification,Vial’s top have three Braille keys to control three doses of the drug. As a blind person using liquid medicines, follow the instructions to squeeze out the amount of demanded drugs to avoid eating excessive or too little phenomenon.