it is viral infection needs tobe flushed with fresh and clean water. send the picture get examined by eye doctor itcan be corneal erosion or keratitis because of low immunity can apply neosporine eye ointment at bed time proper treatment can be recomanded after diagnosis by eye doctor.inform the location of spot in conjuctiva or cornea. after examining picture proper diagnosis can be done and proper treatment recomanded.itcan be just conjunctivitis.