Sunglasses - Frames that have sun lenses.
Carbon - Carbon fiber graphite (CFG): CFG is a material made of nylon and carbon that provides the endurance of metal frames but is thin and lightweight.
Metal - Frames constructed of metal.
Nylon - Lightweight and durable synthetic material, derived from coal, water, and air which is very flexible.
Other - Reserved for materials not widely used.
Plastic - Frames constructed of plastic.
Rubber - Natural or synthetic polymer which is resistant to wear.
Tech Alloy - Used when there is a mixture of metal alloy such as Nickel Silver and Titanium.
Titanium - Type of metal alloy that is very strong, lightweight, durable and often hypoallergenic.
Wood - Frames constructed of wood.
Aviator - Upside-down teardrop shape, usually have a double bar bridge.
Cat Eye - Oval shape that slightly turns up on the upper corners.
Chassis - Reserved for frames that only supply the mounting without a lens.
Geometric - A generic term used to classify shapes that do not fit the other values.
Modified Oval - Modified version of an oval shape.
Modified Round - Similar to an oval but more circular, rarely used.
Navigator - A large version of an Aviator.
Shield - Frames with large lenses that wrap around the entire face, commonly used in sport and sun frames.
3-Piece Compression - Drill mounted frame that uses plastic compressed hardware instead of screws.
3-Piece Screw - Drill mounted frame that uses screws to mount the lens.
Full Rim - Bevel mounted frame where the entire lens is surrounded by the material.
Half Rim - Groove mounted frame that is threaded at the bottom half of the lens.
Inverted Half Rim - Groove mounted frame that is threaded at the upper half of the lens.
Semi Rimless - For frames that do not fall under the other values.
Shield - Frames that have a large base curve that wrap around the face.
Hingeless - There is no hardware connecting the front and temple, it is a continuous piece that flexes.
Regular Hinge - Standard hinge used to attach the front and temple.
Screwless Hinge - A hinge that does not have a screw to attach the front and temple of the frame.
Spring Hinge - Hinge which is more flexible than a regular hinge, making the frame more durable.
Cable - Also known as Riding Bow bends around to hug the ear, commonly used in frames for people who are active or children.
Skull - Slight bend around ear to allow frame to fit easily and hug the head tightly.
Straight - Also known as Library where there is almost no bend over the ear for ease of removal.
Strap - Where the temple has been replaced with an adjustable strap.
Telescoping - Similar to Skull but offer bend-to-fit inner wire ear tabs.
Wraparound - Curves around the head from front to side.
Adjustable Nose Pads - Contain silicone/plastic pads that are adjustable
Double - A bridge with two connection bars connecting the two eyes of a frame
Keyhole - A design that does not permit continuous contact between the nose and the front in the area of the nasal crest.
Other - Reserved for a bridge that does not fall into any of the values listed.
Saddle - A design that permits continuous contact between the nose and the front.
Single Bridge - A single supportive structural crosspiece connecting the two eyes of a frame.
Unifit - Silicone/plastic insert that replaces the adjustable pad arms and creates one-piece similar to Saddle and Universal.
Universal - One piece un-adjustable design that permits continuous contact between the nose and front, similar to a Saddle.
Available as a Sunglass
Magnetic clip-on available
Magnetic clip-on included
Gold - Filled
Gold - Other
Gold - Plated
Gold - Solid
Silver - Other
Silver - Plated
Color - Generic color description of frame.
Eye Size (mm) - Horizontal measurement of each lens in millimeters.
Bridge Size (mm) - Distance between lenses in millimeters.
Temple Length (mm) - Length of temple in millimeters.
Vertical (B) (mm) - Vertical measurement of each lens in millimeters.
100% UV protection - Lens with 100% ultraviolet protection.
Acrylic - Light weight plastic, but are easy to scratch and quick to discolor.
CR-39 - Trade name plastic that is lighter than glass and more impact resistant.
Glass - Lenses made of glass.
Mirrored - Lenses with a reflective mirrored finish.
Other - Reserved for lenses that are not widely used.
PhotoChromic - A lens that darkens in response to ultraviolet light.
Polarized - Lenses virtually block out all ultraviolet rays, eliminate haze and glare, while increasing visibility. Colors appear more vibrant to give the wearer true view without the irritating sun.
Polycarbonate - Remarkable strong, impact-resistant, light weight plastic. The lens will also offer built-in ultraviolet protection.
Resin - Lightest of all lenses, but they are thicker than other plastic lenses, less scratch resistant and do not block as much ultraviolet rays as polycarbonate and glass.
Tempered - Quality glass that offer the best viewing quality and scratch resistance. They are heavier than plastic alternatives, cost more money and are prone to shatter when hit.
Beveled - Edge that identifies full rimmed frames drill-mount-Rimless frames that use a screw or compression mounting.
Grooved - Semi-rimless frames that use a thread to mounting.
Industrial - For frames that are made specifically for industrial purposes.
Other - Reserved for frames that may use several edge types or edge cannot be identified.
Adult - Ages 18 & up
Child - Ages 3 - 12
Infant - Ages newborn 2
Youth/Teen - Ages 13 - 17