Why are steam eye masks harmful to the eyes

The eyelids are one of the thinnest areas of skin in the human body, with a thickness of only about 0.5 millimeters. As the outermost transparent tissue of the eyeball, the cornea has no vascular distribution and extremely weak heat dissipation ability. Long term heat exposure can damage corneal epithelial cells, causing corneal edema, conjunctival congestion, and even leading to epithelial defects.

Many steam eye masks on the market can reach a maximum temperature of 55 ℃ or even higher. The risk of burns increases exponentially due to prolonged use caused by high temperatures.

But during sleep or extreme fatigue, the human body's sensitivity to pain will significantly decrease. Users may not be able to perceive uncomfortable temperatures in a timely manner, causing the heat source to act on fragile eye tissues for a long time, causing harm unconsciously.

The enclosed humid and hot environment created by steam eye masks may disrupt the microecological balance of the eye surface, provide a breeding ground for bacteria, and increase the risk of infections such as conjunctivitis and keratitis.