Why Do My Eyes Feel Dry When Waking Up in an Air-Conditioned Room?
1. Introduction Waking up with dry, gritty eyes in an air-conditioned room is primarily the result of rapid overnight evaporation of the basal tear film. Air conditioning systems fundamentally alter the indoor microclimate by stripping moisture from the air, creating a low-humidity environment that actively desiccates the ocular surface. When this environmental factor is combined … Read more