1348-1101 - Thanks to a flashlight, the doctor can assess the state of the eyelids and the eye (conjonctiva, iris, pupil, transparency of the cornea) test the pupillary relfex (narrowing of the pupil reacting to light).
832-382710 - Light tracers of ships on the Rhine River during the Seenachtfest Festival, Constance Minster at the rear, Konstanz, Baden-Wurttemberg, Germany, Europe