Blue Light Protection
Scratch Resistant
Anti-Reflection
Dust Resistant
UV Protection
Smudge Resistant
Blue Light Filter
water repellent
LENS FEATURES
Eyeglass lenses come with a variety of features designed to enhance vision, comfort, and durability. Here are some common features of eyeglass lenses:
1. Prescription Options
- Single Vision: Corrects one field of vision (near or far).
- Bifocals: Two distinct areas for near and far vision.
- Trifocals: Three areas for near, intermediate, and far vision.
- Progressive (No-Line Bifocals): Seamless transition between near, intermediate, and far vision.
2. Lens Materials
- Plastic (CR-39): Lightweight and affordable.
- Polycarbonate: Impact-resistant, lightweight, and ideal for safety glasses or children’s eyewear.
- Trivex: Similar to polycarbonate but with better optical clarity.
- High-Index: Thinner and lighter for stronger prescriptions.
- Glass: Scratch-resistant but heavier and less common.
3. Coatings
- Anti-Reflective (AR): Reduces glare and improves clarity, especially for night driving or screen use.
- Scratch-Resistant: Protects lenses from everyday wear and tear.
- UV Protection: Blocks harmful ultraviolet rays to protect your eyes.
- Blue Light Blocking: Filters blue light from digital screens to reduce eye strain.
- Anti-Fog: Prevents fogging in humid or cold conditions.
- Hydrophobic/Oleophobic: Repels water, oil, and dust for easier cleaning.
4. Tint and Color Options
- Solid Tint: Adds a uniform color to lenses for fashion or light sensitivity.
- Gradient Tint: Darker at the top and lighter at the bottom (commonly used in sunglasses).
- Photochromic (Transition Lenses): Automatically darken in sunlight and clear indoors.
- Polarized: Reduces glare from reflective surfaces like water or snow.
5. Specialty Lenses
- Prism Lenses: Corrects double vision or alignment issues.
- Aspheric Lenses: Thinner and flatter for a more natural appearance.
- Occupational Lenses: Designed for specific tasks like computer use or reading.
6. Lens Thickness and Weight
- High-Index Lenses: Thinner and lighter for high prescriptions.
- Standard Lenses: Thicker and heavier but more affordable.
7. Customization
- Digital Lenses: Precision-cut using digital technology for sharper vision.
- Free-Form Lenses: Customized to your exact prescription and visual needs.
8. Durability Features
- Impact Resistance: Essential for safety glasses or active lifestyles.
- Shatterproof: Reduces the risk of lens breakage.
9. Lens Design
- Spherical: Standard curved design.
- Aspheric: Flatter and thinner with reduced distortion.
- Atoric: Combines aspheric and toric designs for astigmatism correction.
10. Special Features
- Wavefront Technology: Customized lenses based on detailed eye measurements.
- Myopia Control Lenses: Designed to slow the progression of nearsightedness in children.
When choosing eyeglass lenses, consider your lifestyle, prescription needs, and budget to select the features that best suit you.