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. Author manuscript; available in PMC: 2010 Aug 1.
Published in final edited form as: Acad Radiol. 2009 May 5;16(8):947–950. doi: 10.1016/j.acra.2009.02.008

Figure 1.

Figure 1

The WAM-5500 accommodation device. The subject (seated in back) looks through a screen at a target (not shown). The screen at the bottom left shows the subject's eye. The joystick is used to center the eye for obtaining measurements.