Falcons eye is considered to be 4 times more powerful than human eye
Peregrine Falcon is often stated to be the fastest animal on the planet in its hunting dive, the stoop,which involves soaring to a great height and then diving steeply at speeds commonly said to be over 320 km/h (200 mph), and hitting one wing of its prey so as not to harm itself on impact..
To protect their eyes, the falcons use their nictitating membranes (third eyelids) to spread tears and clear debris from their eyes while maintaining vision
MALAR STRIPE: The black stripe or "mustache" found under the eye of a falcon. It is said to help draw the glare of the sun out of the bird’s eye.