If you want to check how many degrees your eyes are, go to the hospital or optician to do a computerized optometry and then check your vision, this is the most basic and routine examination in ophthalmology, there is nothing special. Common degrees include myopia, farsightedness and astigmatism, myopia is an overuse of the eye caused by the eye elongation, farsightedness indicates that the eye is relatively short innately, astigmatism is not round enough eye. Whether it is myopia, hyperopia or astigmatism, all will cause vision loss, and the higher the prescription the more significant the vision loss. In addition, it should also be combined with the presence of other causes, check vision is the most basic examination of ophthalmology, so you want to know how many degrees to the hospital to measure it can be.