Watery eyes after cataract surgery are common and usually temporary. They can happen due to mild irritation, dry eyes, or healing of the eye surface. Using prescribed eye drops and avoiding dust can help. If watering is heavy, painful, or lasts long, consult your eye doctor. https://ikshaeyecare.com/what-is-the-reason-for-irritation-and-watering-after-cataract-surgery/