I suggest that details in the accounts show that Joseph Smith experienced theosis or divinization in the First Vision, realizing his Oneness in God, or Christ living in him.
Tag: third eye
Joseph Losing the “Plates” and “Interpreters” was Mystical not Literal
The "Urim & Thummim" were perhaps Joseph's own eyes, which in a mystical state of consciousness could "see" the visionary "plates." He lost these "gifts" for a time.
St. Augustine's "First Vision" Account
And being admonished by these books to return into myself, I entered into my inward soul, guided by thee... And I entered, and with the eye of my soul—such as it was—saw above the same eye of my soul and above my mind the Immutable Light.