It is not feasible to measure myopia on your own and to test myopia, you have to go to a hospital for optometry. There are a number of social media outlets in life at the moment that mention ways to measure myopia on your own, but these are not feasible. Not only are the results inaccurate, but there is also the possibility that the patient will use inaccurate glasses because of the inaccurate optometry results, leading to an increase in the patient’s prescription. If you want to come up with an accurate myopia level in both eyes, you must seek professional organizations, such as hospitals or other organizations that are qualified in optometry. The most common optometry process today is to use computerized optometry or screening optometry to arrive at a preliminary optometric result, and then make subjective adjustments based on this to arrive at an accurate prescription. Determination of myopia is a professional medical behavior, it is not recommended to do the test on your own, it is recommended to consult a hospital.