glasses (2)

Shapes of Sunglasses

Ever wondered why Sunglasses frames are larger than those of regular spectacles? It’s because spectacle lenses are only meant to help you read, whereas sunglasses offer protection from harmful UV rays. The larger sunglass lenses are to ensure maximum blockage of the sun’s rays. Not just high functionality, sunglasses have been setting and breaking style […]

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Spectacle Lenses

Spectacle Lenses   Spectacle Lens materials: Materials for spectacle lenses must comply with the following optical characteristics: Good optical homogeneity High luminous transmission Low scattered light creation Chemical resistance Temperature resistance Good mechanical resilience Mineral / Glass material Lenses: Glass lenses are the oldest material used for spectacle lenses but rarely used today as it […]