Intrastromal corneal ring: A plastic ring designed to be implanted in the cornea, the transparent structure in the front of the eye.
The aim of the corneal ring implant is to flatten the cornea and in so doing to correct or reduce the degree of myopia (nearsightedness).
The ring is called an intrastromal ring because it is placed in the corneal stroma, the middle one of the five layers that make up the cornea.
Intrastromal corneal ring segments consist of micro-thin methylmethacrylate inserts of variable thickness that are placed circumferentially into two-thirds depth of the ...
The Regence Group Medical Policy Manual - Implantation of Intrastromal Corneal Ring Segments
Surgical Therapy . Intrastromal Corneal Ring Segments (ICRS) Background . Corneal thinning disorders often lead to protrusion, irregular astigmatism, and even perforation.
Providing cornea disease treatment, intracorneal rings treatment, intrastromal corneal rings treatment for corneal disorders such as cornea clouding, keratoconus ...