Chashma Designer Eyeglasses Diamond Female Rimless Titanium Glasses Frame Transparent Stone Lenses Women Prescription Spectacles

FAQ: Prescription Eyeglasses What frame materials do you offer?- TR 90 ( Plastic Titanium ) : Ultra-light, flexible & shatter-resistant (ideal for daily wear/sports)- Titanium/β-Titanium: Hypoallergenic, corrosion-resistant, high-end quality- Acetate: Fashionable, face-flattering & stable- Alloy: Cost-effective with diverse styles How to choose lens refractive index? - 1.56 (0-300°): Cost-effective for mild myopia (fragile, not suitable for rimless glasses)- 1.60 (300-600°): Balanced thinness & price (mainstream choice)- 1.67 (600-800°): Thin design for high myopia- 1.74 (≥800°): Ultra-thin, premium option Lens material options? - CR 39: Lightweight & impact-resistant (suitable for daily wear/teens/kids)- MR-8/PC: Super impact-resistant & ultra-light (perfect for sports/outdoor use)- Glass: High transmittance but heavy/fragile (rarely recommended) Do I need blue light blocking lenses?Ideal for frequent screen users (reduces eye strain). Skip if you have minimal screen time or need high color accuracy (e.g., designers).