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Effect of Vitrectomy Combined with Panretinal Photocoagulation on Refractive Status and Tear Film Function in Patients with Diabetes Retinopathy |
ZHANG Wenbo, JIA Xinguo, WANG Qingqiang |
Shengli Oilfield Central Hospital, Shandong Dongying 257000, China |
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Abstract Objective: To investigate the effect of vitrectomy combined with panretinal photocoagulation on refractive status and tear film function in patients with diabetes retinopathy. Methods: A total of 68 patients with diabetes retinopathy were selected. The standard three channel 23G vitrectomy combined with panretinal photocoagulation was used in the vitrectomy combined group, and the fundus laser therapeutic apparatus was used in the panretinal photocoagulation group. The efficacy was compared. Results: Before treatment, there was no significant difference in the best corrected visual acuity, tear film rupture time, and tear secretion test between the whole retina photocoagulation group and the glass cutting combined group (P>0.05). After 6 months of treatment, the glass cutting combined group had higher best corrected visual acuity, tear film rupture time, and tear secretion test than the whole retina photocoagulation group (P<0.05). The difference in tear film rupture time before and after treatment and the difference in tear secretion test before and after treatment in the combination group was higher than that in the whole retina photocoagulation group (P<0.05). Before treatment, there was no significant difference in refractive status and axial length between the whole retina photocoagulation group and the glass cutting combined group (P>0.05). The refractive status and axial length of the glass cutting combined group were higher than those of the whole retina photocoagulation group (P<0.05). Conclusion: Vitrectomy combined with panretinal photocoagulation is helpful to reduce the changes of refractive status and stabilize tear film function in patients with diabetes retinopathy.
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