The accommodative ability of the eye is the ability of the eye to quickly change focus at different distances in order to clearly see objects located at these distances. This ability is provided by the ability of the transparent media of the eye (vitreous body and cornea) to change their curvature (this property is called “accommodation”). When a person looks at a nearby object, the round lens in the eye becomes more convex and refracts light better. At the same time when a person