The Surprising History Of Eyeglass Lenses
Above: Rhodes style with Trivex lenses Like most industry in the last century, advances in technology and materials for our eyeglasses have made leaps and bounds from original intentions which
Patented Lens Fitting
How important is measuring pupil distance (PD), or seg height for progressive lenses, or OC height when buying eyeglasses online? The short answer is: EXTREMELY. As any eye doctor will
WHAT IS A LENSOMETER?
THE LENSOMETER This device is vital to any serious optical business. Why? We use it to verify all dimensions of your lenses are made accurately. Like: 1. Pupil distance