1. An augmented reality system providing improved focus of objects comprising: a see-through display device including a variable focus lens positioned to be seen through by a user; a microdisplay assembly attached to the see-through display device for generating a virtual image for display for at least one eye; a memory for storing software and data; a processor for determining a current user focal region under the control of software, the processor having access to the memory and being communicatively coupled to the microdisplay assembly; and a focal region adjustment unit for focusing the variable focus lens in the current user focal region under the control of the processor.