clinical optics( eg lasik): astrosurf wiki simple lab setup: Shackscope 40x40 from alcor sunysb edu rochester Curvature Wavefront sensing in Vera Rubin Observatory ( was nsmed LSST ) Another Curvature WFS article SLAC . WISH 2 Dr Bhatia SHSlab COMPASS simulation Microlens array 2 Alibaba