In this task, you're given a context passage, followed by a question that needs to be answered. Based on the paragraph, you must write unambiguous answers to the questions and your answer must refer to a specific phrase from the paragraph. If multiple answers seem to exist, write the answer that is the most plausible.
Q: First my dental pain , now this : I had no problems with my eyes yesterday , but today my left eye is not able to focus . I had been using an old pair of reading glasses and then tried to put my contacts in and the right eye was fine , but the left eye is not really seeing properly . I called my eye doctor back in my home town . He suspected it was eye strain , given my description , told me to take it easy on my eyes today , and if it was not better tomorrow to go to an eye doctor .
Question: What did the writer experience before this problem with their eyes ?
A:
They had problems with their teeth