The causes of evisceration and results of primary surgery of hydroxyapatite implantation.

Objective To analyze the causes of evisceration,and to study the results and feature of hydroxyapatite(HA)implantation.Methods Retrospectively study the patients underwent the evisceration and with the primary surgery of HA implantation.Results In 61 patients with the operation of evisceration and HA implantation,there were:48(78.7 ％)cases of ocular trauma,such as severe eyeball rupture and endophthalmitis,4(6.5％)cases of infective corneal ulcer,2(3.3％)cases of absolute glaucoma,4(6.5 ％)cases of side-effect of surgery and 3(5％)cases of corneal staphyloma.55 cases were younger than 60 years old.All the patients had good results without severe side effect.Conclusion Most of the patients underwent with evisceration and HA implantation was severe ocular trauma such as the eyeball rupture.The safety during the traffic and working should be emphasized to avoid and reduce the severe ocular trauma.The results of severe ocular trauma should be improved. Key words: Hydroxyapatite; Evisceration; Pathogeny