Lenses
There are many excitnig advances in the designs and materials for spectacle lenses.
• High Index Materials – for thinner lighter lenses
• Aspheric Lens Design – for flatter, less bulbous lenses
• Photosensitive Materials – that change colour in response to sunlight
• Progressive Lenses – for people who would otherwise need bifocals
• Occupation Lenses – with special designs for tasks like computer work