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Doctor insights on: Laser Radiation

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Is green laser pointer radiation dangerous for humans and pets with normal use?

Is green laser pointer radiation dangerous for humans and pets with normal use?

Normal use , No: When used as a pointer device for audio-visual presentations green and/or red laser light pointers are perfectly safe. These laser pointers should never be directly pointed at humans or animals, especially in the face, as they can cause permanent damage to the eyes. ...Read more

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Gamma Rays (Definition)

This is light of extremely short wavelengths typically produced either among the stars / in cosmic rays or by radioactive element decay. Gamma rays form the background of normal radiation in which we all live; it is substantially greater than the exposure we get from imaging scans or should get from ...Read more


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Can exposure to radiation from laser hair removal of chin be a cause of thyroid cancer?

Can exposure to  radiation from laser hair removal of chin be a cause of thyroid cancer?

unlikely: Thyroid cancers are not rare. All lasers used on people have to be approved by the fda to be safe in regards to radiation exposure. ...Read more

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Is it true that PT like ultrasound, tens, laser expose the body to radiation? Is it like X-Ray? What is the approx dose from 10 visits?

Is it true that PT like ultrasound, tens, laser expose the body to radiation? Is it like X-Ray? What is the approx dose from 10 visits?

Physical Therapy: uses non-ionizing radiation. Xray and CT are ionizing radiation, which you should seek to reduce exposure to whenever possible. However, ultrasound, TENS and laser use sound, electricity and light energy which are generally regarded as safe in these therapeutic amounts. ...Read more

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Is it safe to use laser resurfacing for acne scars if you had radiation for cancer years ago?

Is it safe to use laser resurfacing for acne scars if you had radiation for cancer years ago?

Yes: Doublecheck with the physician who'll administer the laser, but unless you have old radiation dermatitis or telangiectasias in the area, you'll probably be fine. Congratulations on your recovery from cancer. Best wishes. ...Read more

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Can or should I continue laser txt for face wrinkles while healing from lumpectomy for breast cancer? One laser txt prior to diag. During radiation?

Can or should I continue laser txt for face wrinkles while healing from lumpectomy for breast cancer? One laser txt prior to diag. During radiation?

Continue: Healing from a lumpectomy should not interfere with any additional treatments iff the lesion is dcis and further surgery like axillary dissection suggested. If nothing further is offered for the breast then laser treatment of face should be permitted. ...Read more

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What is the best laser for fractional resurfacing?

What is the best laser for fractional resurfacing?

Erbium for darker sk: For darker skin types the erbium laser offers advantages. The healing time is faster 3-4 days. The redness if any is limited to1-2 weeks, and side effects uch as color change are rare. It can be used for acne scars, lip and eye wrinkles and surgical or traumatic scars. ...Read more

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Could a laser pointers reflection be dangerous if pointed directly?

Could a laser pointers reflection be dangerous if pointed directly?

At what?: Over the counter pointers are of low wattage but can still reach several football fields in length ( ie airplanes complaning about green light etc) and depending on the laser blind you if aimed directly onto your retina. ...Read more

Dr. Jan Lei Iwata
9 doctors shared insights

Laser (Definition)

Laser is an abbreviation for light amplification ...Read more