Avatarika
इदानीं तस्यैव शिशोः प्रत्याधान ऊढस्य चक्षुषि काश्च-नोपनिषद उच्यन्ते-
In plain words
Now for a few teachings about the eye of that same child, the breath resting in its second seat, the head.
Close to the Sanskrit
Now, concerning the eye of that very child, seated in the pratyādhāna, some upaniṣads (hidden equivalences) are told.