Green lasers Pens are very useful and portable devices very easy to handle and store. These pens come in the pocket size, hence easy to carry. They are very handy, stylish and effective also. These laser pens besides being so handy are equally harmful and dangerous like the portable or mini laser equipments. These lasers pens are available very easily all over the world. These pens are also being used as a toy for the kids. Here it becomes more cautious measure to look as it may cause damage to the eyes of the kids who while playing points the beam which emerged out of this towards own eyes or others.

Hence, these laser pens should be very cautiously used always under elderly supervision. These laser pens are also used in medical profession very effectively and it has given very good results. But, to some extent, excessive use of these lasers can cause side effects. These pens are available in different style, size, and shape and also with different features. Following are some precautions which should be taken care of while using it :-

• Should never be pointed towards the eyes. Could cause damage to the retina the most important part of eye.
• Should never be brought to direct contact with own eyes. Could be harmful.
• These laser pens should never be mishandled and properly used.
• Should never be repaired at home. The infrared ray which emerges out is harmful to human skin and can cause irritation or other side effects.

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