Technology

Technology

Freeform Progressive Lenses2023.01.09

Wider field of vision
With the progressive prescription applied on the back surface of the lens, it brings the correction nearer to the eyes.

Wearers will have a wider and more comprehensive field of vision across all distances.

Measurement

Minimum fitting height (MFH):

Distance between fitting across (FC) up to 2mm under the 100% of addtion.

Corrider Length:

Distance between FC to NRP (in which center is located the 100% of addition).

Recommendations

The frame should always be adjusted before starting to take measurements.

Corridor given will meet the visual needs, not depends on segment height.

Specific requirements should be taken consideration such as profession, hobbies, leisure, clarity if vision necessary, and field of vision needed.

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