Ophthalmology is a branch of medicine that focuses on diagnosis and treatment of eye-related conditions. It has seen advancements in areas like cataract surgery. Ophthalmology is typically taught at the postgraduate level to train specialists in medical care, surgery, and other aspects of eye care. Students can pursue an MS, DNB, or DOMS degree in ophthalmology over two to three years. There are also opportunities for further sub-specialty training through fellowships. Careers in ophthalmology include working in eye hospitals, corporations, or having a private practice, as well as opportunities in teaching and research.