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  • Eyewear Lexicon

    Eyewear Lexicon

Eyewear Lexicon

 

 

Full Rim

The most traditional style of optical frames. This style most securely hold the lenses as they are entirely encased within the frame.

Gold

A dense, soft, and malleable metal bright yellow in color.  It does not tarnish when exposed to air or water.

18ct (composed of 75% gold) or 14ct (composed of 58% gold) are generally used in eyewear, while 24ct (pure gold) is too soft and therefore not suitable for eyewear.

German Silver

Otherwise known as nickel silver; it is an alloy containing copper, zinc, and nickel. Traditionally used in eyewear production.

Gold Plating

An electrical process of surface treatment used to cover a material with ionized metal (gold). It embellishes the frame and makes it corrosion-resistant.

Heat Transfer

A process used to decorate the frame by transferring the patterns from a decorated paper onto the frame.

Hinge

The part of the frame that connects the frame front with the temple piece. Its function is to open and close the temple.

Half Rim

A frame style that uses a nylon cord to hold the lens; the rims are almost invisible.

Hard Coating

A coating to prevent a lens from getting scratched. 

Hydrophobic Coating

A lens coating that repels oil and water.

Ion Plating

A color coating technique used exclusively for titanium frames wherein a hard metallic compound is adhered to the frame through a chemical reaction between gas and ions in a plasma space. It embellishes the frame and reinforces the corrosion-resistant properties of the frame. This plating method is very eco-friendly, as it uses little water.