What diffference between ophthalmology and optometry?

MD vs OD. Ophthalmologists are medical doctors who graduate from medical school. They are trained in performing surgery on the eye. They complete 4 yrs of training after medical school. They can go on after that and complete 1-2 more years and subspecialize in one area of ophthalmology. Optometrists do NOT go to medical school and can not do surgery on the eye. They do 4 yrs of optom school after college.
MD or OD? Ophthalmologists are md's, or medical doctors that have gone to medical school to be physicians and surgeons. Optometrists go to optometry school and are not physicians or surgeons, but are trained to prescribe glasses and contacts and treat some eye diseases. More information can be found here: http://waeps.Org/node/22.
MD vs OD. An ophthalmologist is a medical doctor who has completed medical school, an internship in general medicine, a residency in ophthalmology and often also a fellowship to specialized. He/she can diagnose and treat all eye diseases with medicines, glasses, or surgery. An optometrist is a doctor of optometry and is qualified to prescribe glasses or contact lenses, some medications , but not surgery.
Eye diseases. Optometrists measure your eyes and can give prescription for both near vision and distant vision with glasses, contact lenses etc... Othalmologists are physicians that treat disease of the eyes including surgery of the eyes.