How many types of canes are there for the blind?

There are primarily two types of canes for the blind: the white cane and the long cane. The white cane is often used for identification and mobility, while the long cane is designed for detecting obstacles and changes in terrain. Additionally, there are specialized canes, such as the support cane and the smart cane, which incorporate technology to assist users. Each type serves different purposes based on the needs of the individual.