An Ophthalmologist is a medical doctor who specializes in the eye and vision care. They perform eye exams, surgeries, treat diseases, and prescribe medications. They usually attend four years of college. In a 2012 report, ophthalmologists ranked 10th highest, while in the previous year they were twelfth. About 13% of ophthalmologists earn $500,000 or more; about 12% earn $100,000 or less. For employed physicians, compensation includes salary, bonus, and profit-sharing contributions.