Vertex distance is an essential component when determining the correct power for contact lenses, excimer laser treatments and phakic IOLs. The measurement should always be included in power ...

Please provide your email address to receive an email when new articles are posted on . Lens meridian position can help guide surgical planning. Lens meridian position may have a role in improving ...

(NTT), in collaboration with Mitsubishi Heavy Industries Group (MHI), successfully demonstrated the world's most efficient ...

Various optical systems or geometries can be used to perform light measurements. For instance, the total power [flux] of a light source can be measured in all directions, in a specific direction or ...