Family medicine doctor or Internist is someone who specializes in diagnosing and treating illnesses, diseases, and health problems. Most internists are also primary care doctors and treat patients on a regular basis. They can diagnose and treat common illnesses or more serious problems. Most people see an internist regularly. Those with chronic illnesses may do so on a monthly or even weekly basis. Internists are the most common types of doctors.

A general surgeon is a medical professional who performs surgery on patients. General surgeons typically perform common surgeries and have attended college and medical school to learn the skills needed to perform them successfully. They also care for their patients before and after operations and can give an accurate prognosis after the surgery is complete and the patient has had time to heal.

An ophthalmologist is a healthcare professional who has been trained to treat eye diseases and other conditions that affect the eyes. They diagnose and treat these issues and can even conduct surgery to help repair certain condition. They also conduct eye exams and help patients find the right glasses or other ways to improve their vision.