Doggles
Encyclopedia
Doggles are a commercial brand of sunglasses
Sunglasses
Sunglasses or sun glasses are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or discomforting the eyes. They can sometimes also function as a visual aid, as variously termed spectacles or glasses exist, featuring lenses that...

 for dog
Dog
The domestic dog is a domesticated form of the gray wolf, a member of the Canidae family of the order Carnivora. The term is used for both feral and pet varieties. The dog may have been the first animal to be domesticated, and has been the most widely kept working, hunting, and companion animal in...

s in the form of tinted goggles
Goggles
Goggles or safety glasses are forms of protective eyewear that usually enclose or protect the area surrounding the eye in order to prevent particulates, water or chemicals from striking the eyes. They are used in chemistry laboratories and in woodworking. They are often used in snow sports as well,...

 designed to fit the shape of a dog's head.

While marketed as a fashion item, several practical and medical uses have been reported, and prescription lenses for dogs with restricted eyesight are available.

Invention and construction

Doggles were invented by Ken and Roni di Lullo after they noticed their dog squinting in the sunlight. Experiments were made with human sunglasses and sports goggles before a pair was developed to fit the shape of a dog's head. They are now produced by the Doggles Company in North Carolina
North Carolina
North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...

.

Doggles are constructed out of a tinted polycarbonate
Polycarbonate
PolycarbonatePhysical PropertiesDensity 1.20–1.22 g/cm3Abbe number 34.0Refractive index 1.584–1.586FlammabilityV0-V2Limiting oxygen index25–27%Water absorption – Equilibrium0.16–0.35%Water absorption – over 24 hours0.1%...

 material for 'UV
Ultraviolet
Ultraviolet light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than X-rays, in the range 10 nm to 400 nm, and energies from 3 eV to 124 eV...

 protection, with elastic straps to secure them to the dog's head.

Despite being listed as one of the "Most useless inventions ever", Doggles were ranked #6 in a list of "11 Ideas that shouldn’t have worked - but made millions" by MSN Money
MSN Money
MSN Money, a service of MSN, is a website about business news, that is edited in association with CNBC. It provides stock exchange prices and financial information on companies. Information on stock and share options is also provided. Stock prices are also supplied through msnbc.com.The site also...

, and by 2004, were being sold in 4,500 shops in 16 countries and now include the option of prescription lenses.

Uses

In 2004, Linda Cunningham was organizing supply packs to be sent out to U.S. Army dogs
Dogs in warfare
Dogs in warfare have a long history starting in ancient times. From 'war dogs' trained in combat to their use as scouts, sentries and trackers, their uses have been varied and some continue to exist in modern military usage.-History:...

 working in Iraq
Iraq
Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

. During her research she came across doggles and thought of them as protection from the sun and also from the effects of the desert sandstorm
Dust storm
A dust / sand storm is a meteorological phenomenon common in arid and semi-arid regions. Dust storms arise when a gust front or other strong wind blows loose sand and dirt from a dry surface. Particles are transported by saltation and suspension, causing soil to move from one place and deposition...

s. She contacted the Doggles Company and together they have sent over 120 pairs of doggles out to Iraq for the military working dogs. Doggles were also featured in a CNN
CNN
Cable News Network is a U.S. cable news channel founded in 1980 by Ted Turner. Upon its launch, CNN was the first channel to provide 24-hour television news coverage, and the first all-news television channel in the United States...

 Saturday Morning News segment about equipment being sent out to military dogs on 30 July 2005.

The British newspaper Metro
Metro (Associated Metro Limited)
Metro is a free daily newspaper in the United Kingdom published by Associated Newspapers Ltd . It is available from Monday to Friday each week on many public transport services across the United Kingdom.-History:The paper was launched in London in 1999, and can now be found in 14 UK urban centres...

reported in March 2007 the story of a dog suffering from a rare autoimmune disorder which means its eyes cannot produce tears. The owner, Diana Stephens, has the dog wear Doggles in order to prevent its eyes from drying out.

Uses of Doggles for other eye conditions have also been reported. Veterinarian
Veterinarian
A veterinary physician, colloquially called a vet, shortened from veterinarian or veterinary surgeon , is a professional who treats disease, disorder and injury in animals....

 Pete Wedderburn reported in his Daily Telegraph blog in 2009 the case of a terrier
Terrier
A terrier is a dog of any one of many breeds or landraces of terrier type, which are typically small, wiry, very active and fearless dogs. Terrier breeds vary greatly in size from just a couple of pounds to over 70 pounds and are usually categorized by size or function...

 that suffered from an ophthalmological condition in which tiny specks of debris were floating around inside its eyes. When exposed to bright sunshine, the dog would twist to its side while snarling and yelping; something that was originally thought to be the exacerbation of an existing arthritis
Arthritis
Arthritis is a form of joint disorder that involves inflammation of one or more joints....

condition. A pair of Doggles was ordered, and while the terrier did not initially like wearing them, they did solve the problem. Eventually the owner found that a baseball cap designed for dogs proved to be the solution as the terrier didn't mind wearing it.
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