Neil Perry

Neil is a seasoned optical expert with decades of hands-on experience in the eyewear and lens industry. Having been part of Lensology since its earliest days, he brings deep technical knowledge, real-world glazing expertise and an exceptional understanding of what makes lenses perform at their best.

How To Measure Your Pupillary Distance

How To Measure Your Pupillary Distance

What is pupillary distance? Pupillary distance is the measurement taken in mm between the centre of your pupils. The measurement is unique to every person and it determines the optimum placement of vision in prescription lenses. The Pupillary Distance also varies in...
Transitions® Lenses – the Pros and Cons

Transitions® Lenses – the Pros and Cons

Have you ever spotted someone’s glasses changing from clear lenses to sunglasses without them switching the frames? No, it’s not magic, but Transitions® lenses! These smart lenses adapt to their surroundings, tinting the lens depending on the amount of light...