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    Observation of retinal thickness before and after laser photocoagulation in macular edema

     £ÛAbstract£Ý  Objective  To observe the changes of the central retinal thickness before and after photocoagulation using the Optical Coherence Tomography £¨OCT£©in macular edema.Methods  OCT was performed in 21 patients £¨28 eyes£© before and 3 months after grid photocoagulation.Measurement was done for the average retinal thickness within a diameter of 4 mm to the fovea center.Results  There was significant statistical difference between pre-treatment and 3 months of the average retinal thickness within a diameter of 1 mm and 1~2.22 mm area£¨P<0.05£©.In the 2.22~3.45 mm diameter zone,the difference before and after the treatment was not statistically significant£¨P>0.05£©.Conclusion  The thickness of the sensory retina at the macular area decreased after the grid laser treatment at the post treatment period of 3 months.The closer to the fovea,the more therapeutic effect was shown for the treatment.OCT play a very important role in the treatment and follow up for macular edema.

    £ÛKey words£Ý  optical coherence tomography£»macular edema£»laser photocoagulation£»retinal thickness

    »Æ°ßË®Ö×£¨macular edema,ME£©ÊÇÒ»ÖÖ³£¼ûµÄ»Æ°ß²¡±ä£¬ÒýÆð»Æ°ßË®Ö׵ij£¼û²¡ÒòÓУºÌÇÄò²¡ÊÓÍøÄ¤²¡±ä£¨diabetic retinopathy,DR£©¡¢ÊÓÍøÄ¤¾²Âö×èÈû£¨retina vein occlusion,RVO£©¡¢ÊÓÍøÄ¤Ñª¹ÜÑס¢ÆÏÌÑĤÑס¢»Æ°ßǰĤ¡¢ÄÚÑÛÊÖÊõºóµÈ£Û1£Ý¡£»Æ°ßË®Ö×µÄÖ÷ÒªÁÙ´²±íÏÖÊÇÊÓÁ¦Ë没±äµÄÑÏÖØ³Ì¶È¼°Ê±¼äϽµ£¬ÕâÑÏÖØµØË𺦻¼ÕßµÄÉú»îÖÊÁ¿¡£Òò´Ë£¬ÔçÆÚÕï¶ÏÖÎÁƻưßË®Ö×¼°¶ÔÖÎÁƽøÐÐËæ·Ã¹Û²ì¾ßÓÐÖØÒªÒâÒå¡£¹âѧÏà¸É¶Ï²ãɨÃ裨optical coherence tomography,OCT£©¿É½«»Æ°ß²¿µÄ¶Ï²ã½á¹¹ÒÔα²ÊÉ«µÄͼÏñÏÔʾ³öÀ´£¬²¢»îÌå²âÁ¿»Æ°ßµÄºñ¶È¡£Æä¼ì²é·½±ã£¬ÎÞ´´ÉË¡¢¿ÉÖØ¸´ÐԺã¬ÎÞÌØÊâ½û¼ÉÖ¤¡£

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    1  ×ÊÁÏÓë·½·¨

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