Hello, My mother has cataract and want to get operate, while taking reports I came to know she is having diabetes, now they advise me to check with diabtese doctor unless she gets fitness certificate from the doctor they can't operate, we visited doctor and doctor has prescribe 2 tablets for 15 days and told to monitor for two days or if in Case to operate early doctor advised to go for insulin, now he also said that for insulin she has to get admitted for one day, my question is to take insulin it is mandatory to admit for 1 day, what shall i do, I am not getting right advise, kindly help me please...