Questions on Medical Applications of Lasers

1. What are some advantages of using a laser in place of a scalpel as a cutting tool?
2. What are some of the disadvantages of laser surgery?
3. What is photocoagulation and what is its positive role in surgery?
4. Describe the role of lasers in eye surgery.
5. What is laser lithotripsy?
6. What is plaque? laser angioplasty?
7. What is photodynamic therapy? 
8. Describe how LASIK is used to correct for nearsightedness.  For far-sightedness.