Polycarbonate lenses are the largest alternative used in modern lenses. Polycarbonate lenses are more expensive than acrylic or glasses lenses but many people prefer them because of their durability, light weight, great transparency and high infraction index. Rub the soapy solution onto the polycarbonate lenses using a cotton rag. Avoid the use of brushes, squeegees and abrasive materials, any of which might scratch the polycarbonate surface.

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