A thin intraocular lens for inhibiting posterior capsular opacification includes an optic having a sharp edge which extends posteriorly and between a posterior concave region and an outer-most peripheral edge surface that extends parallel to the optical axis. The cartridge and disc are inserted into a video game console and a connection with the gaming operator is made via the Internet. A series resonance-parallel loaded circuit and two voltage detector are constructed to measure the Q factor. A method of anchoring a fall protection lifeline for use by a worker working at or beyond an edge includes the steps: elevating an anchor member to position the lifeline above the head of a worker and supporting the anchor member at the working position. The at least one amino compound has a cyclic, heterocyclic, alkyl, or heteroalkyl structure substituted with at least one primary or secondary amine group for reacting with and opening at least one of the epoxy groups.