Swelling during the ankles, feet, or legs is frequently because of fluid buildup, also called oedema. This happens when excess fluid leaks from blood vessels and accumulates in the surrounding tissues. Some typical causes of swollen ankles and feet involve: "Periorbital edema" is a expression for swelling across the eyes. https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/