The mean rates of summation in normal visual field group and abnormal group were 93. 00% and 93. 10% respectively with no significant difference ( P > 0. 05) .

• 无论单眼视野正常与否；双眼视野均存在有总合现象；即双眼视野的视网膜平均光敏感度(mean sensitivity；MS)高于单眼。 视野正常组与视野异常组的双眼视野总合现象发生率(总合率)；分别为93.；00%25、和93