The top portion of the lens is for distance vision - when you look ahead or upward, you see clearly at range. The bottom portion provides reading magnification - when you look down at a book, phone, or document, text comes into focus. The transition is gradual with no visible line, and most users adjust within 1-2 days.

No. Color-neutral filtering keeps your screen looking natural — no yellow or amber tint.

• Hinges are tested for smooth, consistent use

• Reinforced to resist snapping with daily wear

Since Crystal Blue includes built-in reading magnification in the lower lens zone, wearing them over prescription contact lenses may cause conflicting corrections. If you already wear contacts for distance vision, consult your optometrist before using these glasses.

All orders will be shipped within 48 hours of order confirmation.

Shipping typically takes 7 - 14 business days. With fast processing and tracking included, you’ll receive your Crystal Blue quickly and reliably.

We offer a 30-day money-back guarantee. If Crystal Blue isn’t the right solution for you, you can return it hassle-free for a refund.

• Rimless design, PC + metal frame

• Weight: ~0.93 oz (26.5g)

• Progressive multifocal lenses (distance top, reading bottom)

• Anti-blue light lenses (filters up to 50% in 400–450nm range)

• Integrated nose pads, gold-stamped temple accents

• Dimensions: 5.51" (140mm) frame width, 2.17" (55mm) lens, 0.71" (18mm) nose spacing, 1.50" (38mm) lens height, 5.24" (133mm) temple

• Unisex