Feedback on Rejected Image

[asimagenai]

I would appreciate a feedback on why the image below was rejected. It only says "Quality Issues". But I don't quite understand what the issue is and how to correct it. Thanks.

[Jill_C · Accepted solution]

The pupils are poorly drawn. They're sort of oblong rather than round.

[asimagenai]

Thank you for your quick feedback.

[daniellei4510 · Accepted solution]

[asimagenai]

Thank you. Your feedback helped.