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A New York teen lost vision in his left eye moments after powering up a "defectively designed," Chinese-made laser pointer he purchased on Amazon, according to a lawsuit against the retail behemoth.
Doctors determined that his eye damage was likely caused by playing with and staring at the light of a green laser pointer A Laser Pointer Burned a Hole in a 9-Year-Old Boy's Eye, Doctors Say Skip ...
These conclusions must be qualified with recent theoretical observations that certain prescription medications may interact with some wavelengths of laser light, causing increased sensitivity (phototoxicity). Beyond the question of physical injury to the eye from a laser pointer, several other undesirable effects are possible.
Green laser pointers are the most commonly used, according to the FAA’s data. ... the laser can cause eye damage up to 52 feet, temporary flash blindness up to 260 feet, glare or disruption up ...
To give another example, of a more powerful laser—the type that might be used in an outdoor laser show: a 6-watt green (532 nm) laser with a 1.1 milliradian beam divergence is an eye hazard to about 1,600 feet (490 meters), can cause flash blindness to about 8,200 feet (1.5 mi/2.5 km), causes veiling glare to about 36,800 feet (7 mi; 11 km ...
Photic retinopathy is damage to the eye's retina, particularly the macula, from prolonged exposure to solar radiation or other bright light, e.g., lasers or arc welders.The term includes solar, laser, and welder's retinopathy and is synonymous with retinal phototoxicity. [1]
Red (635 nm), blueish violet (445 nm), and green (520 nm) laser pointers. A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i.e. coherent light) to highlight something of interest with a small bright colored spot.
The "Today" show unfolded Wednesday without co-anchor Savannah Guthrie, who is undergoing retinal detachment surgery three weeks after suffering a serious eye injury. “She’s had some laser ...