MAC is of the opinion that an hour spent learning about cognitive psychology might helpfully disabuse ships’ officers of a fond belief in the reliability of the unassisted Mark One Eyeball with the optional version one Brain accessory. What You See IS What You Get, WYSIWYG, doesn’t necessarily apply in the real world, as experiments in ‘change blindness’ clearly show.
Illusions and false perceptions certainly have played a role in maritime accidents. The Hockey Stick phenomenon evident in a number of collisions during crossing situations
We need to question not only our assumptions but the physical perceptions that influence our decision making.