Skip to main content
Fig. 1 | BMC Ophthalmology

Fig. 1

From: Influence of angle alpha on visual quality after implantation of extended depth of focus intraocular lenses

Fig. 1

The measurement of the angle alpha and the intraocular lens (IOL) decentration by iTrace aberrometer analyzer. A The angle alpha was defined as the distance between the center of the visual axis (red cross) and the center of cornea (blue cross). B The IOL decentration was defined as the distance between the center of the visual axis (red cross) and the center of the IOL (yellow cross)

Back to article page