The statue represents a power of healing the worshiper who is ill has only to rub his hand upon the diseased part of his own body and then to rub his hand upon the infirm member ; if he does this with sufficient faith he will be healed . Binzuru is a god of curing illness and good vision . Binzuru is a popular form of Yaku-shi the buddha of healing in this belief in large number of visitors around the temple , That the legs and arm of most representation of this image are half rubbed away .
The meaning of Binzuru image is to prevent the spread of the disease through their miraculous touch .
Binzuru (The Buddha of healing)
Example from www.dreamstime.com-