For eye surgery they are specially useful. Since lasers are very focused and thin, but still have heaps of energy, they can be used to cut thin layers of a patient's cornea, if you have myopy for instance, with lots of precision.
the beam of light is very weak
Intralase produces Lasers that can be used for eye surgery. The eye surgery that can be performed is called LASIK and this stands for Laser-Assisted In Situ Keratomileusis.
Surgery with lasers can help to prevent blindness or lessen any losses in vision.
its not lasers are Diffractions it is refractions
its uses are the gemstone and useful for lasers
Lasers are tremendously useful, for such things as CD players, eye surgery, computerized manufacturing, fiber optics, and many other things. Our world would not be the same without them.
Picosecond lasers have a variety of uses. Some of the most common uses for picosecond lasers are in the medical field in such procedures as laser eye surgery and tattoo removal.
Many ophthalmologic surgeries now use lasers, which decrease the operating time as well as recovery time.
same reason spell check is good
eye surgery and cleaning out blocked arteries and removing tattoos
High powered lasers are typically used for various needs such as hair removal, surgery, spacecraft, spectrodcopy and even in investigation procedures.
Jeffrey S. Dover has written: 'Cutaneous Medicine and Surgery' 'Illustrated cutaneous laser surgery' -- subject(s): Atlases, Laser surgery, Lasers, Skin, Surgery, Therapeutic use
It's kind of a joke item, but it can show where lasers are if you don't have the goggles. And he thinks of them as 'a lucky charm'. They're useless besides for finding lasers.