Answer:
O by allowing vision humanlike abilities
Explanation:
Personification is a literary device that attributes human qualities to abstract characters. Creeping is a word commonly used to describe the human attribute of sneaking in to go unnoticed.
In this phrase, 'vision' is an abstract entity that has been assigned this human character of sneaking in. The writer thus uses personification to describe a gradual movement or change in vision that could be positive or negative.