A:
B: Well, doctor. It's my eyes. I can't see clearly.
A:
B: Since last week, I think.
A: Let me have a look. Oh Mike, I guess you are working too hard these days and taking less care of your eyes.
B: What should I do then?
A: Well, when you feel tired, just stop working and come out to enjoy a short rest. Remember, never go to bed too late and don't read in bed.
B:
A: Sure, Mike.
B: Thank you very much.