Task: Text Matching
Input (English): Sentence1: If I have an astigmatism , could that be causing daily headaches? I do not wear glasses but i work on a p.C. All day and a lot of bright lighting. 
 Sentence2: I have a desk job and end up working on a PC the whole day. I have headaches everyday, can this be a symptom of astigmatism?
Output (English): Similar