Respuesta :
It seems that you have missed the necessary options for us to choose from, so I had to look for it. Anyway, here is the answer. Based on the lines of poetry directly after line 1, the best definition for luminous eyes in line 1 is BRIGHTLY EXPRESSIVE. Hope this answers your question. Have a great day!
Answer:
Brightly expressive
Explanation:
Luminous basically means very bright & in line 2 it refers to the eyes as "Brightly expressive as the twins of Leda"