Conjunctival stones, on their own, do not affect vision, but if corneal irritation scratches and infections occur, it will affect vision. Conjunctival stones protruding from the surface of the conjunctiva will produce friction on the cornea eye surface and even leave scratches on the cornea, which will cause pain, tears and photophobia, most of which will choose to go to the doctor for treatment, while some are reluctant to go to the doctor for treatment of corneal damage to the cornea continues to progress, the damage leads to corneal infections and ulcers, etc., which affects the cornea’s transparency and leads to loss of vision. Conjunctival stone itself or in the early stage is not a threat to vision, as long as timely medical treatment, the protruding stone removed, post-operative supplement with tobramycin dexamethasone eye ointment and other anti-inflammatory anti-infection, to promote accelerated healing of the injury. It is recommended that the occurrence of conjunctival stones timely consult a doctor, improve the slit lamp microscope and other auxiliary examination, and then follow the doctor’s instructions.