What problem is expressed in the octave (first eight lines) of this sonnet?

We are asked of what the problem being mentioned in the octave or the first lines in the sonnet and the answer is "How can a blind use his talent of writing a poem". He was locked on his blindness problem, he has a great talent in writing and he was given a talent but unfortunately, he is a blind man.

It does not have a picture if you can add that let me know.