1. A system for testing heart valve leaflets, each leaflet defining opposing tab ends, the system comprising: a leaflet support assembly including a support post for receiving and supporting a leaflet to be tested, the post being disposed in a target region of the support assembly; a transmitter assembly including a light source, wherein the transmitter assembly is configured and arranged to direct light from the light source onto the target region; and a receiver assembly including a first image sensor configured and arranged to sense an image of the target region and generate image information indicative of the sensed image; wherein the image information is indicative of leaflet droop.