The long-life deity/ishtadevata, Ushnishavijaya ‘Victorious Crown Ornament,’ is one of three special long-life deities along with the Buddha Amitayus and White Tara. This group is known as the Three Long Life Deities (Tibetan: tse lha nam sum). There are other deities associated with long life and healing but these three are commonly referred to as the principal deities and form their own group. The three were not formulated in India but rather popularized as a Tibetan iconographic convention.
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