अथ चक्षुरत्यवहत् ।तद्यदा मृत्युमत्यमुच्यत स आदित्योऽभवत् ।सोऽसावादित्यः परेण मृत्युमतिक्रान्तस्तपति ॥बृह. १,३.१४ ॥
In plain words
Then it carried the eye across. When the eye was freed from death, it became the sun. This sun, having passed beyond death, gives heat.
The commentators
Bṛhadāraṇyakopaniṣadbhāṣyam· bhāṣya
तथा चक्षुरादित्योऽभवत् ; स तु तपति ॥
In plain words
In this way the eye became the sun, and that sun continues to shine.
Close to the Sanskrit
Thus the eye became the sun; and that [sun] shines.