In the current unfamiliar era of the coronavirus disease 2019 (COVID-19) pandemic, large swaths of populations in the United States and globally are spending a lot of time at home. Naturally, this also applies to patients with dry eye. As a consequence, most patients with dry eye are now exposed to the indoor environment to a greater extent than ever before. Although the effects of the indoor environment on disease processes and symptoms have been well studied for some pulmonary conditions, such as asthma and chronic obstructive pulmonary disease, surprisingly little is known about its effects on dry eye. Most of what is known regarding the environment and dry eye pertains to the outdoor (or ambient) environment. Moreover, identifying effective indoor environmental modifications for patients with dry eye has been recognized as a research priority by clinicians1 and patients2 alike.
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Saldanha IJ. Learning About and Addressing the Indoor Environment and Dry Eye: The Time Is Ripe. JAMA Ophthalmol. 2020;138(8):874–875. doi:10.1001/jamaophthalmol.2020.2236
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