多焦視網(wǎng)膜電圖對鈍傷性睫狀體分離眼手術(shù)前后視功能的評價

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1、中國實用眼科雜志2010年5月第28卷第5期ChinJIcl_Opbthalmol,May2010，Vol28，No．5·489·一—·論著：臨床研究·多焦視網(wǎng)膜電圖對鈍傷性睫狀體分離眼手術(shù)前后視功能的評價。裴文周南【摘要】目的應(yīng)用多焦視網(wǎng)膜電圖研究鈍傷性睫狀體分離眼手術(shù)前后各部位視網(wǎng)膜功能，探討睫狀體分離眼視功能損害機制，為治療及手術(shù)方法的選擇與改進，預(yù)后的評估提供參考。方法應(yīng)用VERISscienceTM4．2多焦電生理系統(tǒng)對43例鈍傷性睫狀體分離眼術(shù)前術(shù)后及對側(cè)眼進行mfERG檢測，以mfERG一階反應(yīng)N1波、P1波的振幅密度、潛時為分析指標(biāo)

2、，對不同視網(wǎng)膜區(qū)域包括6個離心度，中心凹、黃斑區(qū)、黃斑外區(qū)進行檢測。對視力與mfERG的關(guān)系進行分析。結(jié)果鈍傷性睫狀體分離組患眼手術(shù)前后的mfERG比較：N1、P1波振幅密度術(shù)后較術(shù)前明顯提高，術(shù)后潛時較術(shù)前縮短，在6個環(huán)差異均有統(tǒng)計學(xué)意義(P0．05)，術(shù)前視力與術(shù)后mfERG存在等級相關(guān)(P

3、<0．05)。結(jié)論mfERG能對鈍傷性睫狀體分離眼視網(wǎng)膜功能進行定位定量測量?！娟P(guān)鍵詞】多焦視網(wǎng)膜電圖；鈍傷性睫狀體分離；視功能AssessmentofvisualfunctionwithMultifocalElectroretinograminpatientswithcyclodialysiscleftbeforeandaftersurgeryPEIWen，zHoUNan，TianjinEyeHospital，Tianjin300040，China【AbstractlObjeetiveInordertogiveaconvenientcriteri

4、ontoselectandimprovetheoperationskillsaswellasprovideausefulreferencetoprognosis，multifocalelectroretinalgram(mfERG)wastakentostudythevariousfunctionoftheretinaindiferentlocationsandthemechanismofthedamagetothevisualfunctionofthecyclodialysiscleftbeforeandaftersurgery．MethodsT

5、hemfERGof43cyclodialysisclefteyesbeforeandaftersurgeryandthefelloweyeswererecordedbyVERISEScienceTM4．2multifocalvisualevokedre—sponseimagingsystem．BasedonthefirstorderkernelofN1andP1waves，changesindifferentareaincludingthediferenteccentricities，centralfoveal，macularareaandextr

6、a．macularareawereinvestigated．ResultsThecomparisonofmfERGofcyclodialysisclefteyesbeforeandaftersurgeryshowedthattheamplitudeofP1andN1wavesincreasedinsixringsaftertheoperation．Thelatenciesalsoshortened．Thedifferencesinsixringswerestatisticallysignificant(P<0．01)．Thecomparisonof

7、mfERGoftheaffectedeyesofcyclodialysisclefteyesaftersurgeryandthefelloweyes，thelatenciesofN1andP1waveinsixringsweresignificantlydelayed(P<0．01)andtheiramplitudesin1-6ringsmarkedlydecreasedinthegroupofcyclodialysisclefteyes(P

8、dorientationaldetectionforthevisualfunctionoftheeyeswiththecy