A laser peripheral iridotomy is a procedure for treating
Chapter , Problem 49(choose chapter or problem)
A laser peripheral iridotomy is a procedure for treating an eye condition known as narrow-angle glaucoma, in which pressure buildup in the eye can lead to loss of vision. A neodymium YAG laser (wavelength 5 1064 nm) is used in the procedure to punch a tiny hole in the peripheral iris, thereby relieving the pressure buildup. In one application the laser delivers 4.1 3 1023 J of energy to the iris in creating the hole. How many photons does the laser deliver?
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