Comparison of monocular and binocular infrared pupillometers under mesopic lighting conditions.

Purpose: To compare 3 infrared pupillometers under mesopic lighting conditions in refractive surgery candidates with moderate to high myopia.

Setting: Johann Wolfgang Goethe-University, Department of Ophthalmology, Frankfurt/Main, Germany.

Methods: In this prospective 1-day study, pupils of refractive surgery candidates with moderate to high myopia were measured with 3 infrared pupillometers: the monocular Colvard (monocular pupillometer A), the monocular PupilScan II (monocular pupillometer B), and the binocular Procyon P2000SA.