Lens Materials
  • Hi Index Materials

Lens Materials

Today, glass lenses comprise less than 2% of the market. While glass boasts high resistance, it tends to be heavier and more prone to breakage, posing a risk of serious eye injuries. However, glass lenses hold a distinct advantage over plastic counterparts: they can achieve remarkable thinness, particularly beneficial for individuals with exceptionally high prescriptions. Understanding these nuances can guide you in making informed decisions about your eyewear choices.

Plastic lenses account for around 98% of the market. A diverse array of plastic materials are employed in crafting spectacle lenses to suit various needs and preferences:

1.CR-39 Plastic Lens: Known for its lightweight and optical clarity, CR-39 is a popular choice for everyday eyewear due to its affordability and scratch resistance.

2.Polycarbonate Lens: Recognized for its exceptional durability and impact resistance, polycarbonate lenses are favored for safety glasses, sports eyewear, and children’s glasses.

3.High Refractive Index Lens: Ideal for individuals with high prescriptions, high refractive index lenses offer thinner and lighter profiles while maintaining optical performance.

4.Sunglasses Lens: Engineered to provide protection from harmful UV rays and glare, sunglasses lenses come in various materials, including polycarbonate and high-index plastics, offering both style and functionality.

5.Photochromic Lens: These lenses darken in response to sunlight exposure, providing automatic tint adjustment for varying light conditions. They are available in plastic materials like polycarbonate for added versatility.

6.Aspheric Lens: Designed to reduce distortion and thickness, aspheric lenses offer improved visual clarity and aesthetics compared to traditional spherical lenses, making them a preferred choice for high prescriptions and cosmetic appeal.

Understanding the characteristics and benefits of each type of plastic lens can assist you in selecting the most suitable option for your specific vision requirements and lifestyle preferences.

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