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5 Reasons Never to Leave Home Without Your Sunglasses

You slather on SPF 50 to shield your skin from the sun. But what about your naked eyes? In a 2012 survey, less than half of 10,000 Americans polled recognized the health benefits of sunglasses, and 27 percent of respondents reported never wearing them. Yet this simple and stylish accessory* can protect your eyes from a host of conditions caused by ultraviolet rays:

1. Skin Cancer
Up to 10 percent of all skin cancers are found on the eyelid.

2. Cataracts
The World Health Organization reports that, worldwide, approximately 900,000 people are blind because of cataracts—cloudiness in the lens of the eye—triggered by UV exposure.

3. Macular Degeneration
Over time UV light may play a role in damaging the macula lutea (an area of the eye with millions of light-sensing cells, which allow us to see fine details clearly), potentially leading to blurriness and vision loss.

4. Pterygium
This abnormal growth of tissue—also called surfer's eye—may progress slowly from either corner across the white part of the eye, possibly leading to inflammation or disturbance of vision.

5. Photokeratitis
Essentially a sunburn of the eye, it's temporary (healing within 48 hours) but can be painful, causing blurred vision, light sensitivity, and the sensation of having sand in your eye.

*Just not the $5 pair for sale on the corner. Those can do you more harm than good. Our pupils dilate behind dark lenses, meaning cheap shades will actually let more damaging rays into your eyes than if you weren't wearing any sunglasses at all. Shop for a pair that's designed to block 99 to 100 percent of UVA and UVB light.

Approximately 20.5 million Americans (17.2%) over age 40 have a cataract in at least one eye, and rates are expected to rise to over 30 million by 2020. Ultraviolet B (UVB) radiation is an important risk factor for cortical cataract and ozone depletion may further increase the risk of cataracts., Wearing sunglass, especially early in life, may reduce the risk of cataracts. Meanwhile, little is known about the prevalence of wearing sunglasses in the US, especially in areas with high UV radiation. Hawaii, with a tropical climate and over 7.5 million annual visitors, is a salient location to study the use of sunglasses. The objective of this study was to assess the prevalence and predictors of wearing sunglasses in public outdoor recreation settings.

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Systematic observations were made at beaches, parks and outdoor public swimming pools in Honolulu, Hawaii on sunny days between November 2005 and June 2007. Data were collected throughout the year on sunny days. Observations of target areas were conducted independently by two trained observers using previously established methods  during random intervals between 10:00 AM and 4:00 PM. During each observation period each individual in the area was coded for gender, age category (child vs. adult), clothing coverage (hat use, upper and lower body coverage), shade use, and use of sunglasses. Shade use was counted if more than half of a person's body was covered by either environmental shade (i.e. tree or building) or personal shade (i.e. umbrella). All methods were approved by the University of Hawaii Committee on Human Studies. Observer training was conducted using confederates during a simulated observational period. Volunteers were recruited to come to park and beach settings. Their clothing was recorded by the developers of the method and they were told to either stand in the shade or sun and to engage in a variety of activities. These activities included sunbathing, Frisbee playing, soccer and walking. All participants were given a number which was pinned to part of their clothing. A trained cameraman then walked through the zone recording each individual for five seconds. A training video was created from the footage. All study observers viewed the video and coded each participant. Following the viewing they were able to ask any questions of the investigator. Observers were required to get all coding correct before they were allowed into the field. This usually involved watching and coding the video 2-3 times.

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A total of 5,171 people were observed simultaneously by two independent observers, and the inter-rater reliability use of sunglasses was excellent (Cohen's kappa = 0.83). Overall, 33.0% of people wore sunglasses when observed. Chi Square analysis revealed that significantly more people (χ2 = 11.5; df= 2; p < 0.01) wore sunglasses at swimming pools (35.1%) and parks (34.8%) compared to beaches (30.4%). Adults (41.6%) were more likely to wear sunglasses than children (12.3%; χ2 = 162.2; df= 1; p < 0.001). Gender was not significantly associated (χ2 = 11.5; df= 2; p= 0.3) with the use of sunglasses (males = 32.7%; females = 33.3%). Those wearing hats were significantly more likely (χ2 = 146.6; df= 1; p < 0.001) to wear sunglasses (46.6%) than those with bare heads (28.4%). There were no significant associations (χ2= 0.46; df= 1; p= 0.5) in use of sunglasses between those that were in shaded areas (33.9%) and those who were not (32.8%).

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In this study only one-third of people wore sunglasses, while with only 12% of children wore sunglasses. Childhood is a period of life when individuals are exposed to high levels of UVR and sun protection strategies are encouraged. Nonetheless, consistent with previous research, relatively few children wore sunglasses. In Melbourne, Australia, the overall prevalence of sunglass use was 36.2%, with only 18.9% of 14-20 year olds wearing sunglasses. This study also found that those wearing hats were more likely to wear sunglasses. This is similar to another study that found that levels of knowledge about the sunlight's effects on the eyes was related to sunglass use.

Public health prevention programs promoting sunglass use especially in young people are needed to reduce the incidence of cataracts. Among those who work outdoors in their 20's the prevalence of nuclear cataract is 5 times higher than those who work inside. Programs targeted at increasing the use of hats and sunglasses among outdoor works may be effective in improving these rates.

This study expands on previously reported pilot work that examined sunglass use in one beach setting.Specifically, this study collected unique observations that coded children and adults separately, added parks and outdoor swimming pools as study sites and collected data throughout the year.

The observation technique used momentary time sampling, which has the potential to over- or underestimate the use of sunglasses as a single `point-in-time' may not reflect an individual's practices at other times or outside a specific setting. The method does, however, provide a reliable snap-shot of behavior within a defined setting.

Further research should examine the differences in use of sunglasses between beaches and the other settings as well as examine the use of sunglasses in other locations and investigate the effectiveness of methods that promote the wearing of sunglasses in settings with risk for UVR exposure, including the role optometrists could play in promoting the use of sunglasses.

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Fashion sunglasses
100% UV400 Protection
Available in Blue, Golden & Mirror color
Velvet Sunglasses for Men (Velvet)
Fashion sunglasses for Men. Very good quality.
Fashion sunglasses
Trends N Fashion UV Protected Sunglasses (TNF-2600)

Trends N Fashion UV Protected Sunglasses. 100% UV400 Protection. Aviator Style.

100% UV400 Protection
Multi Color Glass & Green Color Sunglass (Remix)
Multi Color Glass & Green Color Sunglass. Very Stylish Sunglasses. 
tem specifics
  • Eyewear Type:Sunglasses
  • Item Type:Eyewear
  • Department Name:Adult
  • Gender:Men
  • Style:Shield
  • Lenses Optical Attribute:Mirror
  • Frame Material:Plastic
  • Frame Color:Green
  • Lens Width:80MM
  • Lens Height:40mm
  • Lenses Material:Plastic
  • Model Number:K010
  • Name:Brand sport sunglasses
  • Gender:Unisex
  • Delivery time:2 days
  • Weight:0.04kg
  • Quality:A+++++
  • Stock product:Yes
  • Key words:Goggle
  • Usage Scope:Outdoor activities such as Biking, Motorsports, Skating and Hiking
  • is_customized:Yes
Stylish Sunglasses
Unisex Retro Vintage Fashion Designer Shades Sunglasses (BluRetro)
Mens Womens Unisex Retro Vintage Fashion Designer Shades Sunglasses 6 Colors 2017 New Arrival Promotion
Item specifics
Style: Wrap
Lenses Optical Attribute: Photochromic
Frame Color: Black
Frame Material: Plastic
Gender: Men, Women, Unisex
Department Name: Adult
Lenses Material: Plastic
Lenses Color: Green
Lens Height: 4.5 cm
Lens Width: 5.5 cm
Brand Name: OEM
Model Number: BA418_22/BA567
Item Type: Eyewear
Eyewear Type: Sunglasses
Quality: AAA

Description :
Overall Width of Frame 5.5 inches
Frame Height 1.9 inches
Bridge Width 0.6 inches
Overall Length of Side (Temple) 5.5 inches
Eyesize 2 inches
Unit Type: piece
Package Weight: 0.031kg (0.07lb.)
Package Size: 10cm x 10cm x 5cm (3.94in x 3.94in x 1.97in)
Mens Womens Sunglasses
Mercedes Brand Aviator Sunglasses Men Polarized (MercSGlass)

Aluminum Mirror Mercedes Brand Aviator Sunglasses Men Polarized Sun Glasses Oculos De Sol Masculino 2017 Lentes Gafas
Lens Color Available: Blue, Golden and Mirror
Item Type:Eyewear
Eyewear Type:Sunglasses
Department Name:Adult
Brand Name:P designer
Quality: AAA-Replica-Close to Original. 
Lenses Optical Attribute:Polarized
Frame Material:Aluminum
Frame Color:Black,Gray,Silver,Gold
Lens Width:50mm
Lens Height:62mm
Lenses Material:Polaroid
Model Number:3025
function:anti uv 400 polarized
suitable for face shape:round face, long face, square face, oval shape face
Other names:sunglasses,Eyewear,Mirror Eyewear,Illesteva,Eyeglasses
alias:oculos de sol,Shades,Lunette de soleil,Gafas,points men,zonnebril
sunglases men:glases men

Available in Blue, Golden & Mirror color
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