JOURNAL OF SHANDONG UNIVERSITY (OTOLARYNGOLOGY AND OPHTHALMOLOGY) ›› 2014, Vol. 28 ›› Issue (6): 72-76.doi: 10.6040/j.issn.1673-3770.0.2014.114

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Changes of macular thickness under optical coherent tomography in type 2 diabetic patients with cataract after phacoemulsification surgery and IOL implantation

SUN Hong-yi, ZHANG Han   

  1. Department of Ophthalmology, Second Hospital of Shandong University, Jinan 250033, Shandong, China
  • Received:2014-04-12 Published:2014-12-16

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Abstract: Objective To investigate the effects of phacoemulsification surgery and IOL implantation on the macular area in type 2 diabetic patients with cataract. Methods 84 type 2 diabetic patients with cataract underwent single-eye phacoemulsification operation were enrolled into the study. OCT (Optical coherent tomography) were performed before the operations, and 1 day, 7 days, 30 days after the operations in all 168 eyes. The 84 operated eyes were assigned to the study group, while the other 84 eyes were assigned to the control group. The FRT(foveal retina thickness) (at 1 mm) and PMV (perimacular volume) (at 6 mm) of the two groups were analyzed with SPSS 19.0. Results FRT: There was no significant difference between the two groups before the surgery(P>0.05), as well as 1day after the surgery (study group 258.06±23.34 μm, control group 259.88±21.01 μm; P>0.05). However, significant differences were noted at 7 days (study group 270.94±20.26 μm, control group 260.54±20.88 μm) and 30 days(study group 275.46±25.38 μm, control group 260.68±22.95 μm; both P<0.05) after the surgery. Similar changes also happened in PMV data: before and 1 day after the surgery(P<0.05), at 7 days (study group 8.68±0.68 mm3, control group 8.32±0.62 mm3; P<0.05), and 30 days (study group 9.46±0.73 mm3, control group 8.34±0.58 mm3; P<0.05). Macular edema occurred or aggravated in 15 eyes of the study group and 2 eyes of the control group. Conclusion There are more chances of macular edema or aggravation after phacoemulsification surgery and IOL implantation than without for type 2 diabetic patients.

Key words: Cataract surgery, Phacoemulsification, Optical coherent tomography, Diabetes mellitus, Macular edema

CLC Number: 

  • R776.1
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