High-Powered Handheld Blue Laser Toys Can Cause Serious Eye Injuries Researchers believe greater public awareness and government intervention is needed to prevent potential epidemic of ocular injuries

SAN FRANCISCO, Dec. 5, 2013 /PRNewswire/ -- Exposure for even fractions of a second to high-powered blue handheld laser devices can cause serious eye injuries, according to a study[1] recently released online in Ophthalmology, the journal of the American Academy of Ophthalmology. The researchers have concluded that the wide availability of these devices, which are often marketed as toys, could lead to an epidemic of ocular injuries, and greater public awareness and government intervention should be encouraged.

The U.S. Food and Drug Administration, the Laser Institute of America and the American National Standards Institute have all released safety notifications to the public about the risk of injury from handheld lasers with an output power of more than five milliwatts. The natural protective mechanisms of the eye – such as the blink reflex – are ineffective against these lasers, and severe retinal damage may occur, even after momentary exposure. Studies have also shown that blue lasers are more likely to cause retinal injury compared with green or red lasers. Yet, there are blue laser devices sold widely on the Internet that resemble laser pointers with lower wattages but actually have an output power of up to 1200 milliwatts. After witnessing a rise in the occurrence of eye injuries caused by these lasers and to better illustrate the dangers of these devices, researchers in Saudi Arabia documented the case histories of 14 young males, ages 11 to 30, who sought treatment for these injuries from January 2012January 2013.

Each of the 14 patients in the study had sustained injuries to one eye. Four of the patients suffered a full-thickness macular hole (break in the part of the eye responsible for detailed, central vision). Other macular injuries documented in the study included hemorrhages in different retinal layers, a macular pucker (when cells proliferate on the surface of the retina, causing visual impairment), a retinal disruption and a cavity in the retina. Only four eyes (29%) improved spontaneously with increase in vision, whereas 10 eyes (71%) required intervention, including vitrectomy (surgery in which an operating microscope and small surgical instruments are used to remove blood and scar tissue that accompany abnormal vessels in the eye).

"High-power handheld laser devices may lead to an epidemic of ocular injuries that requires attention at different levels," wrote the study's authors from the King Khaled Eye Specialist Hospital Collaborative Retina Study Group in Riyadh, Saudi Arabia. "The difference between these new high-power laser devices and the low-power pointers cannot be overemphasized and government action such as banning the importation of these high-power handheld laser devices, laws for assault or malicious intent and a general public awareness campaign may be warranted."

The study, High-Power Handheld Blue Laser-Induced Maculopathy: The Results of the King Khaled Eye Specialist Hospital Collaborative Retina Study Group, was published on the Ophthalmology website.

For more information on common eye injuries caused by toys and how to prevent them, visit the American Academy of Ophthalmology's public education website: www.geteyesmart.org.

About the American Academy of Ophthalmology 
The American Academy of Ophthalmology, headquartered in San Francisco, is the world's largest association of eye physicians and surgeons — Eye M.D.s — with more than 32,000 members worldwide. Eye health care is provided by the three "O's" – ophthalmologists, optometrists, and opticians. It is the ophthalmologist, or Eye M.D., who has the education and training to treat it all: eye diseases, infections and injuries, and perform eye surgery. For more information, visit www.aao.org. The Academy's EyeSmart® program educates the public about the importance of eye health and empowers them to preserve healthy vision. EyeSmart provides the most trusted and medically accurate information about eye diseases, conditions and injuries. OjosSanos™ is the Spanish-language version of the program. Visit www.geteyesmart.org or www.ojossanos.org to learn more.

About Ophthalmology
Ophthalmology, the official journal of the American Academy of Ophthalmology, publishes original, peer-reviewed, clinically applicable research. Topics include the results of clinical trials, new diagnostic and surgical techniques, treatment methods technology assessments, translational science reviews and editorials.

 


 

[1] http://www.aaojournal.org/article/S0161-6420(13)00811-7/abstract

Image with caption: "Exposure for even fractions of a second to high-powered blue handheld laser devices can cause serious eye injuries." Image available at: http://photos.prnewswire.com/prnh/20131205/MM28677

Logo with caption: "American Academy of Ophthalmology Logo." Logo available at: http://photos.prnewswire.com/prnh/20130405/MM89329LOGO

SOURCE American Academy of Ophthalmology



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