While some causes of a swollen eyelid may be unavoidable, there are preventive measures you can take to reduce the risk. These include: Avoiding known allergens and irritants. Practicing good eye hygiene, such as regularly cleaning your eyelids. Taking frequent breaks from digital screens to prevent eye strain. Wearing protective eyewear during activities that may pose a risk of eye injury. By following these preventive measures, you can minimize the chances of developing a swollen eyelid.