UK Keratoconus Self-Help and Support Association

Have any intacs users out there had any experience of this? My vision has lots of ghosting/starbursts at night and I wondered whether the intacs could reduce or eliminate these symptoms?

Does anyone have much information on the differences between these brands of intrastromal ring segments? Also does anyone know if it's possible to request these from UK clinics or specialists? I know Keratacx rings are used in the US but I haven't found any info if they are supplied to the UK (or ev...