Complex sentence: While the main function of the human eye is to perceive, H.O.P.E uses it for more gathering information regarding a person's personality, attitude, current state of mind, etc. This data is used by humans for communication.
Split into simpler sentences: While the main function of the human eye is to perceive, H.O.P.E uses it for more than sight. From eyes, we can get information regarding a person's personality, attitude, current state of mind, etc. This data is used by humans for communication.