Failure is reduced pupil. As a physiological reflex reaction occurs when light eyes bright light, and during accommodation and convergence (see accommodation of the eye, the Convergence of the eye). Miosis is developing in zacapawanyi in the eye pilocarpine and other narrowing a pupil of funds (for example, in the treatment of glaucoma). Pathological failure is observed in some diseases of the nervous system (see Horner syndrome, Pupillary reflexes). Subjective disorders of view, the failure is.