instruction:
In this task you are given a medical question pair hand-generated. Your task is to classify a given post into two categories 1) 'Similar' if the given two questions have a same connotation 2) 'Dissimilar' if the given two questions have a different connotation or meaning.
question:
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: What is the treatment for headaches caused by astigmatism?
answer:
Dissimilar


question:
Sentence1: I wear glasses, sometimes I don't wear them, either way my vision at night time is wrose off then day time, does that mean anything? 
 Sentence2: I am an adult male and my vision at night is worse compared to the day time even when I am wearing my spectacles. What does this mean? 
answer:
Similar


question:
Sentence1: Can i get systematic effects from long term use of cortizone (hydrocortisone) 10 otc? 
 Sentence2: Are there any systemic side effects of using OTC hydrocortisone for a long time?
answer:

Similar