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Quality
Reading glasses can be compared to magnifying glasses: they must be TRANSLUCENT, of great PURITY and perfectly CENTRED (to avoid fatigue and headaches). All our glasses rigorously meet these criteria.
Graduation
It must be PROGRESSIVE (especially when first using them) and chosen according to reading distance (usually 40cm) and luminosity.
It must be proposed by a quarter of dioptre at a time to avoid a swift drop in the elasticity of the optic nerve and therefore premature and irreversibly diminished sight.
Dioptre
The same for both eyes?
From birth, the stronger eye adapts itself to the weaker one. The modification of this natural organisation of sight could bring about difficulties to adapt and headaches.
Guarantee
SILAC will replace all defective glasses upon presentation of the receipt within three months of purchase.
Exclusive Silac features
- Tested and certified quality of the glasses and frames
- Dioptre scales as of 0.25
- Replenishment service