Complicated Rx: High Add
Some patients need more than a great prescription, they need a lens engineered for a specific problem. Migraines. Color vision deficiency. Eyes that won't quite work as a team.
We have specialty lens lines built for exactly these situations.
Occupational Designs
Chadwick's Freeform progressive with standard flat-top bifocal
Chadwick's Standard Progressive with free-form round add (any size)
Chadwick's Standard Flat-top with free-form round add (any size)
High Add Designs
Flat Top with Round on the Back. This design minimizes image jump compared to the full round.
Free-form round. Used for special lens designs that would otherwise be unavailable. Can be placed anywhere on the lens to make golfer segs.
Custom Trifocal Designs
Round above the seg. Best used where the intermediate power is less than the flat top segment.
Round below the seg. The more popular custom trifocal design.