They become really red, sore, and sensitive to the light. I have disposable lenses, and I'm not new to contacts- I've been using contacts for almost four years now.
I take out my lenses and use erythromycin every-time this happens, but why does this happen? Is it cuz I don't dispose them on time, or because they're unclean?
And other than disposing the lenses on time, how can I keep them clean and prevent this from happening?
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