This came up in off topic and the cosmetics convos: blocked and irritated eyelash lines. You can’t wear mascara or eye makeup when this happens, and it looks rather swollen.
Disney Roller Girl blogger gave this infra red device a very favorable review.

https://victoriahealth.com/heated-eye-wand-pro/

The incidence of dry eye is going up with screen time, and not blinking when focused on devices. As a bookworm with fancy new corneas, this is of interest!