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VISION LENS
1. SEIKO spherical lenses: Spherical lenses from SEIKO provide excellent quality and good optical performance. Chosen to meet a price point, SEIKO spherical lenses provide excellent value.
3. Double Aspheric lenses: A Seiko lens design that provides an exceptional optical performance for customers who value premium quality lenses. Lenses have very flat curves and can be up to 10% thinner than standard aspheric lenses of equivalent power and index.