Complex sentence: Like many previous assistants and friends, Kodama helped Borges write (he had lost his sight and so dictated his works) a "Breve antología anglosajona" (1978) and "Atlas" (1984) and translate the "Younger Edda" by Snorri Sturlson.
Split into simpler sentences: Like many previous assistants and friends, Kodama helped Borges write, as he had lost his sight. He dictated to her "Breve antología anglosajona" (1978) and "Atlas" (1984) and a translation of "Younger Edda" by Snorri Sturlson.