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A groove is a small channel cut around the edge of an eyeglass lens. It allows the lens to fit snugly into certain frame styles, such as nylon cord or semi-rimless designs. The groove helps the lens remain stable, properly aligned, and resistant to movement.
read more about groove in eyewear ...Grooves are made during the edging process after the lens has been cut to shape. This method combines stability with a lightweight, modern look.
Grooves are found in specific eyewear designs that rely on structural support. These styles are lightweight and stylish but require precise manufacturing for durability.
Grooves determine how securely lenses fit into the frame. A poorly cut groove can cause misalignment, loosening, or breakage. Accurate depth and position help distribute tension evenly and keep the lens stable under pressure or temperature changes.
Handle grooved eyewear carefully to prevent loosening the cord or frame. Clean lenses with mild solutions and avoid bending the frame. Professional adjustments maintain a secure fit and prevent slippage over time.
If the nylon cord or groove is damaged, lenses can loosen, so regular checks help prevent this.
No, only certain frame styles, such as semi-rimless or nylon cord frames, require them.
Yes, with proper edging and cord strength, they can hold thicker lenses securely.
If your lens feels loose in a semi-rimless frame or if the nylon cord appears frayed, visit your optician immediately. The tension must be professionally adjusted to prevent the lens from chipping or falling out and causing injury.
ABDO. Spectacle Lens Fitting and Glazing (abdo.org.uk). 2024.
Optical Journal. Evolution of the Semi-Rimless Frame (opticaljournal.com). 2023.
The Vision Council. Eyewear Maintenance Guidelines (thevisioncouncil.org). 2024.
Review of Optometry. Safety Bevels and Lens Grooving (reviewofoptometry.com). 2024.