A programmable latch circuit can include a programmable data circuit with a data load path that can enable a data value to be recalled into a volatile latch. At least one of the memory cells comprises a pair of cross-coupled inverters, and a plurality of ports, including at least one write port. The dynamic ocular factors of the wearer’s eye work in conjunction with the positive ADD power provided by the central optical zone and with the effective ADD gained from the negative spherical aberration provided by the peripheral optical zone to induce a minimally discernible amount of blur that is tuned to maximize the wearer’s depth of focus.