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Lenses - Bi-Focals
Bi-Focal Lenses

Bi-focal and Tri-focal lenses describe exactly what the do by their names. A bi-focal lens allows the user to see clearly at two focal points, distance and near. Tri-focals work at distance, intermediate and near. The lined separation between each zone creates a jump effect when looking from alternate distances.  While many people use this lens design comfortably, the changing world we live in is making this lens design less popular. At Optical Matters we carry all types of lenses and will always work with you to find the best lens design for your daily activities.
 
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