Abstract
Objective To investigate the efficacy of annular separation and integral removal for corneal iron foreign body. Methods The 180 eyes of 180 patients with corneal iron foreign body were randomly divided into observation group (90 patients, 90 eyes) and control group (90 patients, 90 eyes). Foreign bodies were removed by annular separation and integral elimination method in observation group, whereas foreign bodies were removed by one point pivot lever elimination method in control group. Results The average operative time was (49±10) s in observation group, and (175±25) s in control group, and the difference was statistically significant (t=2.159, P=0.021). Success rate of one-time foreign body removal was 95.56% in observation group, and 86.67% in control group, and the difference was statistically significant (χ2=19.352, P=0.018). The average time of corneal wound healing was (3.00±0.50) d in observation group, and (4. 00±0.50) d in control group, and the difference was statistically significant (t=2.605, P=0.006). Conclusion Annular separation and foreign body integral removal for corneal iron foreign body can effectively shorten the operating time, improve the success rate of one-time removal of foreign body, and reduce corneal wound healing time. Key words: Foreign body, ocular; Cornea; Separation, annular; Removal, foreign body, integral elimination; iron, corneal
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