PROBLEM TO BE SOLVED: To provide user-friendly dental plaque observation glasses.SOLUTION: Dental plaque observation glasses include a light source part 13 consisting of an LED 9 for emitting a violet light and a band-pass filter 10 that covers the front side of the LED, and transmits a wavelength of 380-450 nm, a battery part 11 configured so as to be chargeable that feeds power to the LED, a control part 12 including an on/off switch 6 for turning on/off the LED, and a long-pass filter 14 that composes a lens part 5 of the glasses, transmits a light whose wavelength is longer than 500 nm, and blocks a light whose wavelength is shorter than 500 nm.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】使い勝手のよい歯垢観察メガネを提供する。【解決手段】紫光を出すLED9と、LEDの前方側を覆い380~450nmの波長を通過させるバンドパスフィルタ10とからなる光源部13と、充電可能に構成され、LEDに給電する電池部11と、LEDの点灯と滅灯を行なうオンオフスイッチ6を含む制御部12と、メガネのレンズ部5を構成し、500nmより長い波長の光を透過させ、500nmより短い波長の光を遮断するロングパスフィルタ14と、が備えられる。【選択図】図1
