Eyeglass Lenses Online include optical glass lenses and high refractive index lenses (usually referred to as ultra-thin pieces), its high hardness, good wear resistance, generally its quality and parameters will not change over time, but the impact resistance and weight of glass lenses are slightly inferior to resin lenses. Resin lenses are generally much lighter than Eyeglasses lenses and have better impact resistance than glass, but their surface hardness is lower and they are easier to be scraped.
Resin Gradient Tint Prescription Lenses and coated lens because of its soft characteristics, so usually should pay attention to not let the mirror directly contact hard things, scrub the best first with water (or mixed with a small amount of detergent) cleaning, and then use special cloth or high-quality cotton paper to dry the water droplets on the Glasses Lens Index.
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