EYES

IT IS  VERY IMPORTANT FOR US WITHOUT EYES WE CAN NOT SEE ANY THING TROUGH IT WE CAN SEE THINGS FAR FROM US EYES IS THE ORGAN OF VISION THEY DETECT LIGHT AND CONVERT IT INTO ELECTRO-CHEMICAL IMPULSES IN NEURONS THE SIMPLEST PHOTORECEPTOR CELLS IN CONSCIOUS LIGHT TO MOVEMENT IN HIGHER ORGANISMS THE EYE IS A COMPLEX OPTICAL SYSTEM WHICH COLLECT THE LIGHT FROM THE SURROUNDINGS