This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cataract, Subject name: Ophthalmology
Femto Laser assisted cataract removal done using laser of how much wavelength 
Select and explain. 
A. 1064, B. 1053, C. 532, D. 193
B: 1053
Answer: B: 1053 
Explanation: Femtolaser (1053 nm) is the new paradigm in the Ophthalmology. Its uses are: *Laser assisted cataract surgery *Refractive surgery * Keratoplasty *Intracorneal ring segments for keratoconus Nd:YAG laser has a wavelength of 1064 nm, Frequency doubled Nd:YAG has wavelength of 532 Argon Fluoride laser has a wavelength of 193 nm