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a Slit-lamp microscope image of an eye bearing an unperforated ICL. The ICL is not in contact with the crystalline lens, and the vaulting measures about 1/4 to 1/3 of the thickness of the cornea. b Slit-lamp microscope image of an eye containing a perforated ICL. The ICL is not in contact with the crystalline lens, and the vaulting measures about 1/4 to 1/3 of the thickness of the cornea
