4Koorneef L. Current concepts on the management of orbital blowout fractures[J]. Ann Plast Surg, 1982,9(2) :182-200.
5Piotrowski WP, Beck-Mannagetta J. Surgical techniques in orbital' roof fractures : early treatment and results [ J ]. J Cranior Maxillofac Surg. 1995,23:6-11.
6Soll DB, Poley BJ. Trapdoor variety of blowout fracture of the orbital floor[J]. Am J Ophthalmol, 1965,60 ( 8 ) :269-272.
7Bansagi ZC, Meyer DR. Internal orbital fractures in the pediatric age group : Characterization and management [J]. Ophthalmology,2000,107 (5) :829-836.
8Hatton MP, Watkins LM, Rubin PA. Orbital fractures in children [ J ]. Ophthalmol Plast Reconstr Surg, 2001,17 ( 3 ) : 174 - 179.
9Kwon JH, Moon JH, Kwon MS, Cho JH. The differences of blow-out fracture of the inferior orbital wall between children and adults [ J ]. Arch Otolaryngol Head Neck Surg ,2005,131 ( 8 ) : 723- 727.
10Yoon KC, Seo MS, Park YG. Orbital trapdoor fracture in children [J]. J Korean Med Sci,2003,18(6) :881-885.