Matsya Purana 48.40

48.40

so'śapattaṃ tataḥ kruddha evamukto bṛhaspatiḥ.
putraṃ jyeṣṭhasya vai bhrāturgarbhasthaṃ bhagavānṛṣiḥ.. 48.40 ..

Hearing those words, Bṛihaspati became enraged, and thus cursed his brother’s son in the womb :—“You, who are present in the embryo and are putting an obstruction in my way of enjoyment, will suffer from blindness.”—40-41.