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Visual function after surgery for proliferative vitreoretinopathy grade C type 2,3,4,5 Sumiyoshi Tanaka 1 , Asae Shimada 1 , Takayuki Baba 2 1Dept of Ophthalmol, Tokyo Women's Med Univ 2Dept of Ophthalmol, Chiba Univ Sch of Med pp.361-365
Published Date 2008/3/15
DOI https://doi.org/10.11477/mf.1410102167
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Abstract. Purpose:To report the visual function after vitreous surgery for severe proliferative vitreoretinopathy(PVR). Cases and Method:This study was made on 5 eyes of 5 patients who received vitreous surgery for PVR of grade C, type 2,3,4,5. The age ranged from 28 to 60 years, average 39 years. As causative lesion, 2 eyes had hereditary vitreoretinopathy, 2 had traumatic break at vitreous base borders and 1 had idiopathic giant retinal tear. PVR had persisted for 6 months or longer. Visual acuity ranged from hand motion to 0.04. All eyes received pars plana vitrectomy followed by removal of preretinal membrane, 360-degree retinotomy, removal of subretinal proliferative tissue, filling the vitreous cavity with silicone oil, laser photocoagulation, and scleral encircling. Results:After removal of silicone oil, the retina was reattached in all the eyes when evaluated 3.5 to 18 months after surgery. Visual acuity ranged from 0.03 to 0.3, and intraocular pressure from 10 to 18mmHg. Visual field was maintained within 10 to 50 degrees from the point of fixation when measured by isopter for V-4 of Goldmann perimeter. Conclusion:Vitreous surgery was effective for preservation of visual function in 5 eyes with prolonged and severe PVR.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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