Laser Surgery

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by soccersamsam
Last updated 7 years ago

Discipline:
Science
Subject:
Physics
Grade:
10

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Laser Surgery

Lasers- acronym: Light Amplification by the Stimulated Emission of Radiation- Type (colour) of light beam used is related to the type of surgery being performed & colour of the tissue.- focused in a narrow beam and creates a high-intensity light- Lasers are used to heat cells in the area that is being treated until tey "burst".- They are capable of focusing on very small areas.

Purpose of Laser Surgery- close small blood vessels to prevent blood loss- remove warts, moles, sunspots, tattoos- reduce appearance of skin wrinkles, scars, and other skin blemishes- remove hair- remove skin cells which could potentially become cancerous- correct vision

Types of Lasers- Carbon dioxide laser- YAG (yttrium aluminum garnet) laser- Pulsed dye laser- Alexandrite- KTP- Argon laser Trabeculoplasty (ALT)- Micropulse Laser Trabeculoplasty (MLT)- Laser Peripheral Iridotomy (LPI)- Selective Laser Trabeculoplasty (SLT)

Pros- more precise (isolate and remove targeted cells)- reduced risk of infection- less bleeding and swelling- less pain- shorter hospital stays

ConsLaser Skin Surgery- dryness and peeling of the skin- mayhave an itching or stinging feeling (12-72 hours)- may get general anesthesia- changes in skin colourLaser Eye Surgery- loss of visual sharpness (within 6 months will return to normal)- flap problems- dryness of the eyes (can last from a few weeks to a few months)

Success RateLaser Eye Surgery- 90% of patients will have perfect results- 1% - 5% may be under-corrected/over-corrected- 1% - 2% may experience loss of visual sharpnessLaser Spine Surgery- 75% return to regular activites within 2 weeks of surgeryLaser Hair Removal- 90% of patients have permanent hair loss after 3-5 sessions

Recovery TimeLaser Eye Surgery- can resume regular activities the following dayLaser Skin Surgery- 10-21 days depending on the problem that was treated

Laser Surgery

Bibliography"Laser surgery - skin." MedlinePlus. U.S. National Library of Medicine, 31 Oct. 2013. Web. 23 Nov. 2013. <http://www.nlm.nih.gov/medlineplus/ency/article/002958.htm>."Laser surgery - skin." MedlinePlus. U.S. National Library of Medicine, 31 Oct. 2013. Web. 23 Nov. 2013. <http://www.nlm.nih.gov/medlineplus/ency/article/002958.htm>.Laser Surgery. (n.d.). Laser Surgery. Retrieved November 23, 2013, from http://patient-info.com/laser.htmLaser Skin Resurfacing: Benefits, Side Effects, and Average Cost. (n.d.). WebMD. Retrieved November 20, 2013, from http://www.webmd.com/beauty/laser-skin/laser-skin-resurfacing.Laser Spine Surgery. (n.d.). Discovery Fit and Health. Retrieved November 20, 2013, from http://health.howstuffworks.com/medicine/modern-treatments/laser-spine-surgery2.htmTreatment and Procedures. (2012, December 21). Cleveland Clinic. Retrieved November 21, 2013, from http://my.clevelandclinic.org/services/cosmetic_surgery/hic_laser_skin_resurfacing.aspxASAPS. (n.d.). Skin Resurfacing. Retrieved November 23, 2013, from http://www.surgery.org/consumers/procedures/skin/skin-resurfacingWhy Choose Laser Spine Institute?. (n.d.). Laser Back Surgery Experts. Retrieved November 23, 2013, from http://www.laserspineinstitute.com/Laser Hair Removal: Benefits, Side Effects, and Cost. (n.d.). WebMD. Retrieved November 23, 2013, from http://www.webmd.com/beauty/hair-removal/laser-hair-removal

Preforming the Surgery on Your Body Wart Removal- targets the wart allowing the laser to kill blood vessels in which are feeding the wartLaser Spine Surgery- remove the sources of nerve sensitivity and pain by lasering off the ends and decreasing size of plates between the vertebraeLaser Eye Surgery- flatten all or part of the cornia allowing the focal point of light to follow more closely to the centre of the retnaLaser Surgery to remove Wrinkles- uses short pulses of micro-fine laser light to reach into the skin's layes and remove older, dammaged tissues that will be replaced with new collagen and elastin

By: Samantha Wong


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