I'm thinking about getting contact lenses cause I have astigmatism and eye strain and I looked them up on Amazon and it showed boxes of 30 contacts lenses. But why? Do you have to change your lenses everyday? And also can I just buy any type of contacts on Amazon or do I have to go to the doctor for contacts? And I also got glasses when I went to the doctor but I didn't want to wear them.
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If you buy contacts can you wear the same pair of contacts forever?