many people do not like to wear prescription eyeglasses. They like contact lenses. However,do not wearing contact lenses long time. Maybe it will cause eyes hypoxia, wearing time in a week not more than 5 days. Long-term wearing contact lenses will cause a lot of pathological changes, if your eyes feel fatigue, you can go to the supermarket to buy distilled water or to the drug store to buy physiological saline into small spray, spray the potions to the eyes a foot away can relieve the symptoms of oxygen.
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