Sometimes you might choose a point of focus in the room to help you balance- a weird spot on the wall, your mat, etc. which is not technically a drishti, but it is helping you maintain your posture and (hopefully) your breath. Try to choose a spot that is not moving. If you focus on another person, and they fall out of a pose, you might fall out too.
Practicing drishti not only helps to improve concentration and alignment during asana practice, but it can also heighten mental clarity off the mat. Drishti can be interpreted as a philosophical concept, relating to an individual's point-of-view, intelligence and wisdom. As such, drishti involves conscious seeing, through which the individual looks past the screen of prejudiced beliefs to understand the nature of the true self. In this sense, drishti can help practitioners to connect with higher levels of consciousness.
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