[Pleoptics. Change in the electronic flash (preliminary note)].
D004581:Electronics; D004864:Equipment and Supplies; D006794:Household Articles; D009885:Ophthalmology / Q000600:supply & distribution*; D009988:Orthoptics; D010781:Photography / Q000600:supply & distribution*
OPHTHALMOLOGY/equipment and supplies; PHOTOGRAPHY/equipment and supplies