Product Overview & Engineering Architecture

The circular frame shape is a perennial staple in optical retail, but structural execution dictates its commercial viability. Beyond aesthetic proportions, successful round optical frames require precise rim thickness to safely house prescription lenses, stable bridge construction for diverse facial profiles, and durable multi-barrel hinges.

Material Identity: Crafted from premium cellulose acetate (cotton-pulp based), allowing for vibrant solid colors, tortoiseshell gradients, and custom laminated color blocks.

Structural Design: Full-rim construction engineered to maintain frame rigidity and optical alignment under lens-mounting pressure.

Core Wire Integration: Metal core wire embedded inside the temples to allow custom mechanical adjustment by opticians.

Technical Specifications & Dimension Matrix

Technical Parameter	Specification Reference
Frame Type	Full-Rim Round Optical Eyewear Frame
Primary Material	Premium Cellulose Acetate (Front and Temples)
Standard Lens Width (A-Size)	44mm – 52mm (Model Dependent)
Bridge Width (DBL)	18mm – 22mm (Standardized Facial Fit)
Temple Length	135mm, 140mm, 145mm
Hinge Mechanism	5-Barrel / 7-Barrel Optical Metal Hinge
Surface Finish	High-Gloss Tumbled Finish / Matte Brushed Texture
Demo Lenses	Fitted with non-prescription demo lenses (Custom configurations available)

Lens Compatibility & Edging Notes

Full-rim acetate round frames require precise laboratory coordination during prescription lens fitting:

Groove Depth & Bevel: The internal eyewire bevel is precision-milled to securely lock standard bevel-edged single-vision or progressive lenses.

High-Index Accommodation: Moderate to high prescriptions are effectively concealed by selecting thicker rim profiles, which mask lens edge thickness.

Laboratory Verification: Always consult your optical laboratory to verify frame curvature and groove dimensions against specific prescription requirements prior to volume production.

Customization & Private Label Workflow

Projects requiring custom branding and proprietary specifications follow a structured engineering and development path:

Design & Tooling Review: Submit technical drawings (STEP/IGES) or reference physical samples for feasibility assessment.

Material Matching: Select from an extensive library of solid, transparent, or laminated cellulose acetate sheets.

Logo Integration: Define precise execution methods-including laser etching, metal plaque inlay, or foil stamping-along with exact temple placement.

Prototype Development: Sample generation (10–15 days) to verify dimensional accuracy, color fidelity, and mechanical tension before batch production.

Accessory Coordination: Match frames with custom-branded hard cases, microfiber cleaning cloths, and protective pouches.

Quality Control & Inspection Protocols

To eliminate batch-to-batch variation, production inspection adheres to strict manufacturing benchmarks:

Dimensional Verification: Laser caliper measurement of lens width, bridge width, and diagonal symmetry against approved technical drawings.

Surface Inspection: Examination under standardized lighting for surface scratches, polishing bubbles, lamination gaps, and color consistency.

Mechanical Testing: Manual verification of temple opening/closing tension, screw tightness, and hinge alignment.

Tolerances: Critical dimensions maintained within strict manufacturing thresholds.

FAQ

Q: Are these round acetate frames suitable for high-index prescription lenses?

A: Yes, full-rim acetate frames provide sufficient rim thickness to conceal lens edges for moderate to high prescriptions. However, final lens accommodation should always be verified by your optical laboratory based on the exact eyewire groove depth and frame dimensions.

Q: What is the minimum order quantity (MOQ) for custom colors or private label?

A: MOQ varies depending on whether you select an existing catalog model or develop a new tooling mold. Standard private-label runs on existing tooling begin at structured minimums (typically starting at 200 pieces per model/colorway). Please submit your exact project scope for precise figures.

Q: Can we supply our own brand logo and packaging?

A: Yes. Custom logo application (laser engraving or metal badge insertion) and matching accessories-including branded hard cases, soft pouches, and microfiber cloths-can be fully integrated into your production run.

Q: How do you prevent color fading or warping in transit and storage?

A: We use high-grade stabilized cellulose acetate treated for UV resistance and dimensional stability. Frames are individually polybagged and packed in reinforced multi-layer export cartons to prevent transit deformation.

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