Discover Calvin Klein's unisex prescription glasses at Overnight Glasses. Perfect for diamond, heart, and square face shapes, these medium-sized oval frames feature a stylish full rim design crafted from durable metal. Available in grey tortoise and tortoise, they cater to all prescription levels, from low to high, supporting single vision, multifocal, progressives, no-line bifocals, and traditional bifocals. Ideal for prescription sunglasses 47-22-140