What is Breastlight? Breastlight™ has not been designed to replace the Breast Self-Examination routine; rather to enhance it. Breastlight was manufactured with the belief that every woman should have access to whatever tools may benefit them in the search for breast abnormalities. The video below will give you a clear insight into the inner workings of Breastlight and help you learn more about how you can understand your own Breast Health in the comfort of your own home.