![Ferrara HM: A New Intrastromal Corneal Ring Segment Used in Combination with Photorefractive Keratectomy to Correct Moderate to High Myopia | SpringerLink Ferrara HM: A New Intrastromal Corneal Ring Segment Used in Combination with Photorefractive Keratectomy to Correct Moderate to High Myopia | SpringerLink](https://media.springernature.com/lw685/springer-static/image/chp%3A10.1007%2F978-3-030-85361-7_52/MediaObjects/507722_1_En_52_Fig2_HTML.png)
Ferrara HM: A New Intrastromal Corneal Ring Segment Used in Combination with Photorefractive Keratectomy to Correct Moderate to High Myopia | SpringerLink
Keratoconus Group - Intrastromal corneal ring segment (like Intacs and Ferrara Ring) is a minimally invasive surgical option used primarily for the treatment of keratoconus. the implants flatten shape of the cornea
![Association of Ferrara Intracorneal Ring Segments with Phakic Intraocular Lens for Improved Visual Acuity in Young Keratoconus Patients: A Case Series | Semantic Scholar Association of Ferrara Intracorneal Ring Segments with Phakic Intraocular Lens for Improved Visual Acuity in Young Keratoconus Patients: A Case Series | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/603f7779652f89afbf798dee73a366afccbbefce/2-Table1-1.png)