Inclusion Criteria:  Glaucomatous and non-glaucomatous patients Age older than 18 years A history of uneventful phacoemulsification with MIOL implantation at least one month before participation Distant best-corrected visual acuity (BCVA) equal to or better than 20/30 Near BCVA of at least Jaeger 2  Exclusion Criteria:  The inability to perform reliable visual field testing (fixation loss, false positive or false negative more than 25%) A history of postoperative complications Moderate to advanced visual field defects (MD less than - 6 dB) Any other concurrent ocular diseases, except well-controlled glaucoma.