分先天性展神经麻痹( congenital paralysis of abducens nerve ) [又称先天性外直肌麻痹( congenital paralysis of lateral rectus ) ]和后天性展神经麻痹( acquired paralysis of abducens nerve ) [又称后天性外直肌麻痹( acquired paralysis of lateral rectus ) ] 。先天性者可因先天性展神经核发育异常或新生儿出生时外直肌或展神经受损所致。后天性者可因展 ......