Originated from the concept of cybernetics, which is the study of communication and control of machines, organism or a mixture of both, cyborg is referred to as a mixture of both the organism and the technology. When an organism is half human and half machine then we call them cyborg. The whole process of becoming a cyborg is usually referred as cyborgation.
Many a type of cyborgs are exists today such as the cyborgs with artificial hearts, cyborgs with retinal implants, cyborgs with brain sensors cyborgs with bionic arms, animal cyborgs such as cyborg eel, robo roach etc. The use of this cyborgs mainly comes in the fields of medicine, military etc. While the U.S military makes cyborg soldiers, cyborgation has raised new hopes in the treatment of disease and people with vision problem.