本文報告五例原發性微斜視之患者,均主訴一眼視力模糊,經屈光矯正仍無法達到0.7的視力,眼球理學檢查發現固視點落在黃斑之旁(parafoveal fixation),進一步造一系列的檢查:包括履蓋檢查(cover test)、交替覆蓋檢查(alternate cover test)、Amsler圖檢(Amsler grid)、4△基底朝外之稜鏡檢查(4 prism base out test)、立體感檢查(stereopsis test)、Bagolini檢查(Bagolini test)、紅濾鏡複視檢查(red filter diplopia test)及視覺暫留現象(after image),證實為原發性微斜視。
This was a five cases report about primary microstrabismus. They complained one eye with blurred vision since childhool. Amblyopia & parafoveal fixation were found in ocular examination. A series of tests including cever test, alternate cover test, Amsler test, 4(superscript Δ)-base out test, stereopsis test, Bagolini test, red filter diplopia test and after image test were done. Primary microstrabismus was comfirmed. Obvious familial incidence was noted. We suggested early diagnosis & early treatment for preventing amblyopia.