Table 1. Average modulation values for the four IOLs under study, both alone (without a cornea) and when the average corneal pattern was added (IOL+cornea system), for a 5.0 mm aperture.

	AcrySof IQ	Bi-flex	Z-Flex	Envista
IOL	39.5	82.5	72.3	86.4
IOL+cornea	56.0	36.4	40.2	39.3