Nerissa posing in the most beautiful glasses from my entire collection. The pink / transparent frame is elegant but the blended myodisc lenses create magic. Here we see that the central part of the lens almost looks like sunglasses. The central part contains the extremely strong prescription needed by the first owner of the glasses. The central part has a circle shape and it's often called the "bowl". This is surrounded by a positive carrier lens that catches the light. The demarcation between the bowl and the carrier lens is not abrupt but gradual. This was done for cosmetic reasons. The same principle was used when the so called progressive lens was invented and soon the traditional lined bifocals were losing popularity.
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