“…In the past, cryotherapy 11 and argon laser 23 have been used. However: a) the gentle mechanical removal of lice and nits, in spite of the firm adhesion of the nits to eyelashes, 2,10,16,33,34,38,41,47,55,56,61,68,73 b) the application of petrolatum 22,24,38,41,51,61,62,68,74 or c) the application of 0.1-1% yellow oxide of mercury, 2-4 times daily for 1-2 weeks, 4,16,22,25,38 can be considered as the most effective and safest treatments. Also the…”