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CPD: Dispensing progressives

Troubleshooting varifocals

Presenting common scenarios outlining how to tackle varifocal non-tolerance cases

01 Sep 2019 by Mark Hickton

In over 20 years of ophthalmic practice, I have seen significant developments in the field of varifocal lenses. With the gradual onset of grey hair and the need for a reading add drawing ever closer, I am beginning to relate more to the visual challenges faced by these patients. As a result of more sophisticated lens designs, adapting to varifocals – or progressive addition lenses (PALs) to use the more technical term – has become a smoother experience for the patient. However, these advances in lens technology also require greater care and attention when taking measurements and fitting. The following cases highlight common areas, which, if handled incorrectly, can lead to patient concerns and possible remakes for the practice.

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