That is blocked meibomian glands. Its the pores on your eye lids that secrete oil that mix with tears so they dont dry as easily. Could be from makeup, could also be from demodex mites. Avoid screen time as much as possible, avoid makeup near the eyes and clean your eyelids (at the eyelash roots) once or twice a day with sterile eyelid wipes as much as needed. Google it, ask chatgpt, and of course see a doctor if needed.