What about presbyopic eyes?

The weakening of physiological regulation caused by aging is called presbyopic. Generally, presbyopic begins to appear at about 40 to 45 years old, showing difficulties in reading and other short-distance work. Distance vision is normal, but nearsightedness is obviously reduced. It needs to be corrected by audition. First, we should carry out examination and refraction of distance vision to correct refractive error. At the same time, we should understand the working nature and reading habits of the examinee, choose appropriate reading distance for presbyopic optometry and glasses. Presbyopic patients should use convex lenses for correction, and you can choose single-light glasses. Bifocal glasses or progressive multifocal glasses.