title: A low-cost laser pupillometer.
mesh_terms: D000818:Animals; D002415:Cats; D003365:Costs and Cost Analysis; D004582:Electronics, Medical / Q000295:instrumentation; D007834:Lasers / Q000009:adverse effects; D011680:Pupil / Q000033:anatomy & histology*; D012160:Retina / Q000293:injuries