The Question and Answer section for Cathedral is a great resource to ask questions, find answers, and discuss the novel.
From the text, we are well aware that the narrator is in love with his wife. He doesn't seem to understand what she needs to be happy, and as a result, he too is somewhat unhappy. None-the-less, his references to his wife are all filled with...
The narrator is definitely a sympathetic character. His ignorance of blindness and the way he admits to garnering his idea of blindness from the movies is a completely honest confession.
I'm sorry, I see no evidence of the date you've cited in the text of Cathedral.