title: Presbyopia: new evidence from impedance cyclography supporting the Hess-Gullstrand theory.
mesh_terms: D000065:Accommodation, Ocular / Q000187:drug effects; D000328:Adult; D000367:Age Factors; D000577:Amides / Q000494:pharmacology; D002924:Ciliary Body; D004558:Electric Stimulation; D006801:Humans; D007908:Lens, Crystalline / Q000502:physiology; D009119:Muscle Contraction; D009130:Muscle, Smooth; D055095:Optics and Photonics; D010276:Parasympatholytics / Q000494:pharmacology; D010992:Plethysmography, Impedance; D011305:Presbyopia / Q000209:etiology*; D011725:Pyridines / Q000494:pharmacology
chemical_list: D000577:Amides; D010276:Parasympatholytics; D011725:Pyridines