Indications and visual outcomes of intrastromal corneal ring segment implantation in a large patient series.

Objectives:: To describe the indications for and visual outcomes of intrastromal corneal ring segment implantation.

Methods:: A large retrospective case-series chart-review study was conducted using Sorocaba Ophthalmological Hospital medical records. This study included 1222 eyes (1196 patients) that were surgically treated between November 2009 and December 2012.