Noting a black ring at bending: A postcataract surgery symptom

In the surgery description report, phacoemulsification cataract surgery of a mature crystalline lens was mentioned with successful implantation of posterior chamber (PC) intraocular lens without vitreous loss (VL). Department of Ophthalmology, School of Medicine, Isfahan University of Medical Sciences; Isfahan Eye Research Center, Isfahan University of Medical Sciences, Isfahan Mohammad-Ali Abtahi: Department of Ophthalmology, School of Medicine, Isfahan University of Medical Sciences; Isfahan Eye Research Center, Isfahan University of Medical Sciences, Isfahan Seyed Mortazavi: Department of Ophthalmology, School of Medicine, Isfahan University of Medical Sciences; Isfahan Eye Research Center, Isfahan University of Medical Sciences, Isfahan Hamidreza Jahanbani-Ardakani: Isfahan Eye Research Center, Isfahan University of Medical Sciences; Medical School, Isfahan University of Medical Sciences; Isfahan Medical Students Research Center, Isfahan University of Medical Sciences, Isfahan Mehdi Mazloumi: