Doctors are the blessed people to help the people with their knowledge and service. This is the very old profession/ service. Even during the period of Krishna’s descendence to earth, doctors existed.   Even in the heavenly planets, there are doctors headed by Danvantri Bhagawan.  Sri Sushrutha,  known as the "Father of Surgeries", a popular rishi had performed many such surgeries including eye surgeries even 3500 years ago.  Sri Sushrutha has written a guide namely "Sushrutha Samhita" that tells hundreds of secrets on Ayurveda and surgeries.. Giving treatment for the patients is the duty of a doctor.  The result may be positive or negative.  That depends on patient’s karma. But, the doctor should do his duty Properly.  If he does his duty properly, no need to fear for karma. Karma involved in Extending the breathing of a patient: If a doctor tries to extend the life of a person breathing difficulty with no chance for recovery by giving Ven...