About this app
A free, simple, and easy to use app to calculate the equivalent lens of eyeglasses prescription at various Vertex Distances. It helps opthalmologists, opticians, and eye care proffessionals to adjust spectacles prescriptions accurately according to the required Vertex Distance.Features:
* Calculate the compensated and effective (perceived) lens power depending on the selected vertex distance.
* Calculate the values for both sphere and cylinder component of the lens.
* Convert easily between spectacles and contact lens prescription.
