多年来即有人报告一些斜视病例,于向上或向下注视时,两眼更加会聚,或更加开散,近来称之为 A或 V 型斜视。A 型指向上看时会聚增加或向下看时开散增加,V 型与此相反。用 A 及 V 命名,系利用该二字母的形状,象征斜视程度随上下注视而改变。日前人们认识到此类病例颇为常见,且很重要,但至今在发生率、病因及治疗各方面尚无定论。 Some cases of strabismus have been reported over the years, and when looking up or down, the two eyes get more or more open, which is called A or V type strabismus. A-type point to look up when the convergence increases or down to see when the divergence increases, V-type the opposite. A and V named, the Department of the use of the two-letter shape, a symbol of strabismus with the upper and lower gaze changes. Recently, people recognize that such cases are quite common, and very important, but so far the incidence rate, etiology and treatment are not conclusive.