Patient： I have had a headache in the last few months .
D： Did you have any examinations before?
P：I have been examined by a physician and he told me that he found nothing wrong with me .
D： please tell me about the symptoms.
P： Sometimes I have a headache and feel pain in my eyes ， and it gets worse after I read . I also see dimly close by .
D： How old are you?
D： Let me examine your eyes first . Cover one eye with this patch . Look at the letter which I show you ， then tell me which way is the letter “E” facing ， up or down ， right or left? … Oh ， your eyesight is not good. It is only0.5 . According to the examination . I find you have a presbyopia and ametropia . That is why you have a headache and your eyes ache.
P： Do I need to wear a pair of glasses?
D： Yes . But you should have an eye test first.
D： No. But I can make an appoitment for you . Would nine tomorrow be all right?
P： Tomorrow is no good I am afraid. I have to go to a meeting.
D： How about Friday morning?
P： That is OK.
D： Then come here at 8am. …
D： It's necessary to dilate the pupils for the eyetest . In this way we can get the exact dioptre.
P： Is it harmful to dilate pupils?
D： No ， But after the pupils have been dilated . You may have some difficulties in reading . Generally you'll get well again in about ten days.
P： How do you dilate the pupils?
D： I'll prescribe some eyedrops for you . Please put one drop into your eyes every five minutes six times before you come . Please come here at ten O'clock.
P： All right. …
D： Have you used the eyedrops six times already?
P： Yes . Everything is blurred.
D： That is because your pupils are dilated. Now sit down， and I'll test your eyes. Try these pieces of glasses . Look at the line Which one is better?
P： The second one is better.
D： And how about this one?
P： It's better.
D： Please sit down here and read a few lines of the book with this pair of glasses . Do your glasses suit you? Do you wamt them?
P： I'll take them.
D： And this one is for you to see close by . Now put on this pair of glasses and try to see from a distance.
P： I don't se clearly with this pair of glasses.
D： Try this one.
D： Please look straight ahead . Let me check the distance between the pupils . It's 55mm. Here is the prescription for you glasses.
P： Thank you very much.
D： Don't mention it .