Presbyopia is a normal physiological state due to increasing age. Tests include visual symptoms, visual acuity examination, and biopsy of diseased tissue. 1. Visual Symptoms: Presbyopes will have symptoms such as poor vision at a distance, poor vision at a near distance, etc. They can not read for a long time at a close distance, or else they will have dry eyes, astringent eyes, watering eyes, etc., and they will need stronger illumination in order to see clearly when they are reading. 2. Visual acuity examination: Visual acuity examination for presbyopia will reveal a serious decline in near vision, and the use of comprehensive optometry and other equipment to check the refractive error of the eyeballs can determine the number of degrees of presbyopia, which will be used for prescription of glasses to correct presbyopia. 3. Biopsy of diseased tissue: If long-term presbyopia will lead to excessive eye use, eye muscle tension, chronic inflammation such as keratoconjunctivitis may occur, you can biopsy the eye surface secretions to confirm the diagnosis. Presbyopia detection, it is recommended to go to the hospital for a clear diagnosis, and then follow the doctor’s instructions for correction.