One of the five extrasensory eyes gained as a byproduct of the attainment of an actual state of the first level of mental stability (the first dhyana). (1) According to the Gelug explanation, cognition that is able to understand the mental capacities of others, in order to be able to teach them appropriately. (2) According to the Karma Kagyu explanation, a Buddha's omniscient awareness that possesses the ten forces that enable a Buddha to lead all beings to enlightenment.
Tibetan: chos-kyi spyan
J Hopkins: eye of doctrine.