Foreign body sensation in the eye can be caused by a variety of factors, such as stones, follicular papillae or inflammatory material exuding from the eye, corneal epithelial abrasions, or even dry eye. So you need to go to the ophthalmology examination to rule out ocular surface diseases such as blepharitis, trachoma, trachoma stones or follicular conjunctivitis, papillary conjunctivitis or dry eye, corneal epithelial injury, and you need a comprehensive ocular surface analysis examination such as slit lamp examination, dry eye test and fundus examination to rule out ophthalmology related diseases. So the eyes are very zapped must go to the hospital for detailed examination and choose the appropriate treatment plan for symptomatic treatment according to the cause.