Clinical analysis of the removal method for deep corneal foreign body of chestnut thorn

Objective To investigate the clinical effects and the method of corneal foreign body removal with chestnut thorns.Methods Sixty eyes of 60 cases with corneal foreign body of chestnut thorns were analysed.The foreign bodies were removed with the forceps,the needle picking method or the pushing method from the anterior chamber under slit lamp or operating microscope.Results The deep corneal foreign bodies were all removed and no operative complications occurred.The vision was improved in 50 cases (83.3％),and remained unchanged in 10 cases (16.7％).No cases with declined vision were found.Conclusion Finding out all the foreign bodies and choosing an appropriate surgical removal method are the key points for deep corneal foreign body of chestnut thorn. Key words: Body, foreign;  Thorn, chestnut;  Layer, deep, corneal;  Extraction