A free, simple, and easy to use tool to convert spherocylindrical (toric) lenses to plus or minus cylinder form, to the combined two cylinders form, or to the power cross form and vice versa. It helps ophthalmologists, opticians, and eye care professionals to convert eyeglasses prescription lens between optical forms.

Features:
* Convert spherocylinder lens to plus or minus cylinder form.
* Convert spherocylinder lens to combined cylinders and power cross forms.
* Convert combined cylinders to spherocylinder and power cross forms.
* Convert power cross form to spherocylinder and combined cylinders forms.