The full link is here: http://usarugby.org/news/item/usa-rugby-to-participate-in-irb-rugby-goggles-trial

Be aware of the following:

1. IRB trial-approved goggles (ONLY) for any players needing corrective lenses or players who have a chronic eye condition reducing his/her vision or who have monocular vision.

2. Under the trial law, if an opposing player considers the risks inherent in playing with or against someone wearing the Rugby Goggles are not acceptable, he/she is free to remove himself/herself from the match but may not insist the wearer of the Rugby Goggles is removed.