The Boston Type I keratoprosthesis: an assessment of its efficacy and safety.

Background And Objective: To evaluate the efficacy and safety of the Boston Type I keratoprosthesis.

Patients And Methods: Twelve patients who underwent surgery with implantation of the Boston Type I keratoprosthesis were monitored. The following parameters were considered: diagnosis, comorbidity, previous surgery, preoperative and postoperative visual acuity, complications, and keratoprosthetic retention.

Nasolacrimal stents for the treatment of epiphora: technical problems and long-term results.

Purpose: To evaluate the long-term effectiveness of nasolacrimal stents for the treatment of obstructive epiphora, and the complications related to the procedure.

Methods: This study is a non-randomized prospective clinical trial. Eighty-five patients underwent fluoroscopally-guided placement of polyurethane stent in 86 lacrimal systems for the treatment of severe idiopathic obstructive epiphora.