• (a.) Same as Presbyopic.
Pres·byt'ic adjective (Medicine) Same as Presbyopic . 
presbyopia, presbyopic; presbytia, presbytic, presbytism 1. A form of farsightedness occurring after middle age, caused by a diminished elasticity of the crystalline lens. 2. The physiological loss of accommodation in the eyes in advancing age, said to begin when the near point has receded beyond 22 cm (9 inches). 3. The loss of the eye's ability ...presbytic, presbytism Suffering from presbyopia or a condition of vision commonly seen after the middle forties but beginning in late childhood (after age eight), as a result of diminished power of accommodation from impaired, or reduced, elasticity of the crystalline lenses of the eyes. Related 'old; old ...