Medical examination or operating room lights, light filters or light masks for near infrared guided surgery; Medical or surgical lights, light filters or light masks or lighting equipment for facilitating the detection of fluorescence or fluorescence contrasts; medical or surgical lights for surgeries performed using near infrared imaging; medical examination, visualization or diagnostic equipment or systems for fluorescence guided surgery; filters or masks for surgical or medical lights; filters or masks for medical examination or operating room lights; Medical or surgical lights; operating room lights; medical examination lights