Tarsal switch using an anterior approach to correct severe ptosis.

Background: To present the outcomes of the tarsal switch procedure using an anterior approach to correct severe ptosis with poor levator muscle function (<4 mm) with absent or poor Bell's phenomenon.

Methods: This retrospective case series included 11 patients with severe neurogenic or acquired myogenic palpebral ptosis. All patients underwent the tarsal switch procedure through an anterior approach from 2012 to 2015.

[Prevalence and spatial distribution of trachoma among schoolchildren in Botucatu, São Paulo - Brazil].

Purpose: To assess the prevalence of trachoma in schoolchildren of Botucatu/ SP-Brazil and its spatial distribution.

Methods: Cross-sectional study in children aged from 7 to 14 years, who attended elementary schools in Botucatu/SP in November/2005. The sample size was estimated in 2,092 children, considering the 11.

Extraocular muscle fixation to porous polyethylene orbital implants using 2-octyl-cyanoacrylate.

Purpose: To evaluate the efficacy of bioadhesive in attaching the extraocular muscles to porous polyethylene spheres in rabbit enucleated cavities.

Methods: A prospective, experimental study was performed. Eight adult New Zealand white rabbits underwent right enucleation with insertion of an unwrapped 12 mm porous polyethylene sphere.