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I was four years old when my eye was got damaged with knife so I can't see with my left eye

Iwas four years old when my eye was got damaged with knife , so I can't see with my left eye

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Handheld Laser Pointer "Toys" Can Cause Serious Eye Injury


Handheld Laser Pointer "Toys" Can Cause Serious Eye Injury

A 15-year old boy ordered a handheld burning laser pointers online. He wanted it to pop balloons from a distance and play around with, this included burning holes into paper cards and his sister's shoes. Doctors from Lucerne Cantonal Hospital, Lucerne, Switzerland continue explaining in a letter published in the New England Journal of Medicine (NEJM) what happened when he used the laser pointer in front of a mirror.
http://www.lasereshop.com/images/p/hq01gn01651%20(3).jpg
The teenager wanted to create a "laser show" - he faced the mirror and zapped cheap high powered laser pointer beams in several directions. Some of the beams hit his eyes and his vision in both eyes blurred immediately. He did not tell his parents for fear of being told off or perhaps causing unnecessary alarm, and hoped the vision problems would go away.
http://www.lasereshop.com/images/water/hq01gn0096-200mw-13.jpg
Two weeks passed and his eyesight problems continued. The boy went to see a health care professional.
The ophthalmic assessment revealed that his eyesight had deteriorated so badly in his left eye that he could only count fingers on a hand at a distance of no more than 3 feet (about 1 meter); his right eye had 20/50 acuity.
An examination of the interior of the eye with an ophthalmoscope detected a dense subretinal hemorrhage in his left macula, there were also several "tiny round scars in the pigment epithelium of the foveolar region of his right eye". The clinician diagnosed bilateral retinal laser injury - injury to both eyes caused by laser beams.
Four months later the boy's eyesight improved, but there were still some problems and scarring.
Laser pointer 1000mw that were sold to the public used to have a maximum power of 5mW, which is not considered harmful for human eyesight. The handheld laser device the boy purchased on the internet was 150mW; 75 times more powerful.
http://www.lasereshop.com/images/p/1000mw-green-laser-pointer-hq010032-61946852s.jpg
Lasers which are powerful enough to damage human eyesight are generally used only by military personnel, and in such cases accidents and injuries are extremely uncommon.
Laser devices with a potential of up to 700 mW can be bought by anyone on the internet, the Swiss doctors inform. There are government restrictions, but this does not seem to stop these products being available online - they are presented as " green laser pointers ", like the ones lecturers use, and many look just like them.
http://www.lasereshop.com/images/p/hq01000301-05.jpg
These extremely powerful devices can cause serious and immediate eye injury. They are advertised as toys, even though they can cause blindness. Teenagers find them fascinating. There are even laser swords and other fun toys with powerful lasers installed inside them.
How is a child who is using one of these devices, and the other kids around him supposed to tell a harmless laser pointer from a dangerous one?the conclude that if the present state of affairs continues, there will be more such eye injurie.

on May 05, 2016 | Office Equipment & Supplies

2 Answers

Had a pin jammed in upper knife now wont cut. Do I need to replace the knife?


more than likely as the knife blade would have been damaged and blunted

Nov 11, 2015 | Janome 6234XL Overlocker

1 Answer

Can low coolant in car lock up your engine


Low coolant will cause overheating- damage to your engine- depending on how low it actually is. If the coolant is less than four years old you could just add coolant (you can buy premixed at the auto parts store) to the proper level. More than four years old and your coolant should be replaced; and the system flushed in the process. If you are just adding coolant, be sure you are using the proper coolant for your car.

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Water damage to ceiling


Cut off the loose make flat tape and drywall mud

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1 Answer

DVD drive is not reading or writing. It is 3.5 years old.


1st option is to purchase a lens cleaner and let it run through the recommended process. 2nd option is to open it and clean the lens(eye) with a ear bud with surgical spirits, but be careful not to touch the eye to hard with the ear bud, you will damage the eye beyond repair, normally it is dust that actually split the concentrated beam that read the data in several directions. disconnect power supply when working on electrical equipment

Dec 12, 2010 | Panasonic DMR-EX75EB-S DVD Recorder/HDD...

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Two dvd's stuck in player thanks to a busy toddler


I had the same problem... my DVD took one in even though it already had one in there... Tweezers did not work until we used a pie server covered in masking tape with the DVD attempting to eject and then grabbed one DVD out. The DVD player works too!

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1 Answer

Water leaking when when washer is running a large or super load


the leak could be coming from anywhere in the washer it just leaks out from the lowest point of the washer i would suggest placing a putty knife under the top on the right and left side and pushing the tabs in to pop off the front panel to see where the leak is coming from

Oct 30, 2007 | Kenmore 24872 Top Load Washer

1 Answer

ITT Mariner 160 - How to open the case...


this unit is siliconed together to make it waterproof and outer ring on eye piece is glued on after assembley you have to pry casings apart with knife ect not easy but they do come apart without damaging internal parts make sure you also remove casing screw under label as well i have dissasembeled about four of this model succesfully
Wayne

Jan 16, 2007 | ITT Night Mariner 160 Monocular

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