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By constructing the smallest equivalence relation v* on a fuzzy hypergroup（H,.） satisfying the Engel decreasing condition, the quotient group（the set of equivalence classes） H/v* constructed by the fuzzy hypergroup with respect to the equivalence relation is an Engel group, and the Engel group is characterized by the strong regularity of the equivalence relation. Finally, the concept of the v-part of the fuzzy hypergroup is introduced, and the necessary and sufficient condition for the equivalence relation v to be transitive is determined. [ABSTRACT FROM AUTHOR]

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Objective · To investigate the clinical effect of intravitreal injection of Conbercept in the treatment of diabetic macular edema (DME). Methods · Eleven patients (17 eyes) with DME (inflammatory type) received intravitreal injection of Conbercept monthly. After the first treatment, the patients were treated on demand. Follow-up after treatment for more than 6 months, the best corrected visual acuity (BCVA), central retinal thickness (CRT), diminished rate of DME and result of fundus fluorescein angiography(FFA) of DME eyes before and after treatment were compared. Results · During a follow-up of 7-29 months [(12±7) months], the injections were given 1-10 times [(4±3) times]. The results showed that the treatment effects on improving BCVA (logMAR) and diminishing of CRT were significant (t=7.306, P=0.001; t=5.272, P=0.000). The diminished rate of DME of our patients was 76.5%. Conclusion · Intravitreal injection of Conbercept in the treatment of DME is effective on reducing macular edema and improving visual acuity. [ABSTRACT FROM AUTHOR]

Copyright of Shandong Medical Journal is the property of Shandong Medical Health Newspapers and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)