I could not see (ouk eneblepon). Imperfect active of emblepō, I was not seeing, same fact stated in Act 9:8. Here the reason as “for the glory of that light” (apo tēs doxēs tou phōtos ekeinou).
Being led by the hand (cheiragōgoumenos). Present passive participle of cheiragōgeō, the same verb used in Act 9:8 (cheiragōgountes) which see. Late verb, in the N.T. only in these two places. In lxx.