在视网膜的中央凹的视力比网膜其他部份更敏锐。

Vision is much more acute at the fovea than at other portions of the retina.

最后，以游离的大网膜瓣充填脓腔，并进行微血管吻合。

Finally, the abscess was filled with a free greater omentum flap, accompanied by microvascular anastomosis.