Abstract
Objective To analyze the causes of missed diagnosis of intraocular and orbital foreign body due to iron foreign body on corneal surface. Methods The clinical data of 6 eyes of 6 cases with missed of intraocular and orbital foreign body after corneal iron foreign body removed from Feb. to Nov. 2018 were analyzed retrospectively. Results All cases were not examined with CT, X-ray or UBM and among them 5 cases were not examined with B-ultrasound at the first visit. No small corneal, iris or scleral perforations or orbital foreign bodies as found in all patients in primary care units. Six patients with superficial corneal foreign body developed complications after corneal foreign body removal. Then the intraocular and orbital foreign bodies were diagnosed with CT, X-ray, B-ultrasound and UBM. Conclusion Iron foreign bodies on corneal surface may be complicated by intraocular and orbital foreign bodies. Missed diagnosis may lead to serious complications. Careful eye examination, supplemented with CT, B-ultrasound and UBM can reduce missed diagnosis. Key words: Eye foreign body; Corneal; Orbital
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