solution: Suspends cup of lukewarm water nearby yours computer, when the steam volatilizes to room time, may let your eyeball maintains moist, also has the very good affable symptom effect to xerophthalmia patient. But suspends the lukewarm water only to be restricted in the small space, if in the big space, the steam scatters the scope to be too broad, the effect also did not have to be so good.
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