This document provides a technical overview of the Round Eyeglasses, SKU 366615376135191. These unisex frames are designed for compatibility with prescription lenses and are constructed for a balance of comfort and durability.

Frame Construction & Materials

• Frame Material: The primary material is TR90, a thermoplastic polymer known for its durability, flexibility, and light weight. This material is impact-resistant and returns to its original shape.

• Hinges: Surgical-grade stainless steel spring hinges allow the arms to flex outward beyond 90 degrees, providing a more accommodating fit for various head sizes and reducing pressure.

• Nose Pads: The frames are equipped with adjustable silicone nose pads, allowing for a customized fit to prevent slipping and distribute weight evenly.

• Finish: A uniform matte black finish is applied to the frame for a non-reflective appearance.

• Weight: The frame assembly, without lenses, has a total weight of 18 grams.

Dimensions & Sizing

The following measurements are provided in millimeters to ensure proper fit assessment. These dimensions correspond to standards used by optical professionals.

• Lens Width: 49 mm

• Bridge Width: 21 mm

• Temple Arm Length: 145 mm

• Total Frame Width: 138 mm (measured from hinge to hinge)

• Lens Height: 46 mm

Lens Information

The frames are prepared for customization by a professional optician.

• Included Lenses: Frames come fitted with non-corrective polycarbonate demonstration lenses intended to be replaced.

• Prescription Compatibility: The frame is structurally sound for fitting with single vision, bifocal, and progressive lenses. The bevel is standard for secure lens mounting.

Included Accessories

The product includes accessories for protection and maintenance.

• Protective Case: A rigid hard-shell case with a soft-touch interior lining is included to protect the frames from impact and scratches.

• Cleaning Cloth: A 15 cm x 15 cm microfiber cloth is provided for cleaning lenses and the frame without causing abrasion.