Garudapurana 1.11.12

1.11.12

karamadhye netrabījamaṅganyāsa'pyayaṃ kramaḥ /
hṛdaye hṛdayaṃ nyasya śiraḥ śirasi vinyaset //

In the center of the hand is the seed-syllable of the eye; this is also the sequence for the placement on the limbs: / having placed the heart on the heart, one should place the head on the head;