US Patent 11523896 Ocular protection ring

A device for reducing the incidence of surgical debris migration within a mammalian eye comprising an anterior portion, the anterior portion with an anterior inner surface and an opposing anterior outer surface, the anterior inner surface and the anterior outer surface terminating at an anterior edge that defines an open anterior end; and a posterior portion, with a posterior inner surface and an opposing posterior outer surface, the posterior inner surface and the posterior outer surface terminating at a posterior edge, the posterior edge defining an open posterior end; and a waist connecting the anterior portion and the posterior portion, the waist comprising a waist inner surface and an opposing waist outer surface; and an aperture extending from the open anterior end, through the waist, and to the open posterior end, the aperture bounded by the anterior inner surface, the waist inner surface, and the posterior inner surface.