Onelens Preimage ED progressive lens uses the new panaroma optimization techniques - LDT (Light Digital Technology). LDT technology combines both physiological characteristics of eyes and the fitting parameters in different visual environment. With LDT, Onelens Preimage ED is designed to meet the daily visual lifestyle of the wearer.
Frame parameter determines the lens with respect to the position and direction of the eyes. Each lens is personalized according to the users' personal parameters and made to order concept
With different frame selection, the variable reading inset is automatically adjusted based on the LDT technology.
LDT technology can provide compensation for high curve and slanting frame, so as to provide users the top clarity, top quality viewing experience, with no frame curve limitation.