If the hamster's eyes fall off, the hamster needs to be placed in a clean, quiet, and warm environment immediately to prevent it from being frightened and stimulated. Check your hamster's eyes for bleeding, infection, or other obvious problems. If so, it is recommended to contact a pet veterinarian immediately for treatment.
Without affecting the hamster's breathing, use Wash the hair around the eyes with a small amount of warm water to keep the area around the eyes clean. If significant bleeding or infection occurs, gently flush the area around the eyes with saline or water, but do notflush the eyes directly. Make sure your hamster gets enough water and food to maintain its nutritional and hydration intake. If your hamster is unable to eat and drink on its own, you need to take it to the veterinarian for treatment promptly.