Tissue ingrowth into perforated polymethylmethacrylate orbital implants: an experimental study - Miyashita, Denise; Chahud, Fernando; Silva, Gyl Eanes Barros; Albuquerque, Verônica Batista de; Garcia, Denny Marcos; Cruz, Antônio Augusto Velasco (Ophthalmic Plastic and Reconstructive Surgery, 2013)