This may dislodge the particle. Hold the lashes of the upper eyelid and pull it down. Place a match stick or a cotton wool bud over the lid and hold the lid back over it. Sometimes the following method may help in removing fine particles. Cover eye with an eye pad and keep overnight.
Next morning wash the eye after removing pad.
The foreign body has disappeared. This is due to the combination of the natural flow of tears and lubricating effect of the ointment. Other opthalmic ointments like neosporin ointment can also be used but avoid steroid based ointments like Neosporin-H. Even steroid eye drops should be avoided when there is history of foreign body entry in the eye since steroids increase the chances of penetration of the body deeper in the eye. Never try to remove a metal chip, wire or glass piece which has pierced the eyeball. Pulling it out will cause more serious injury.