The cranial nerves can also be involved, and that can cause symptoms like double vision and difficulty speaking.

脑受损时，会导致复视和说话困难等症状。

It can cause eyestrain, headaches, blurred vision, double vision, dryness, and neck, back and shoulder pain.

它会引起眼睛疲劳、头痛、视力模糊、复视、干涩以及颈、和肩疼痛。

Supportive treatments include using artificial tears to prevent dry eyes and eye patches or prisms to reduce double vision.

支持治疗包括使用人工泪液预防干眼，使用眼罩和眼（三棱）减轻复视。

16 year old male, sudden onset of double vision and night terrors, with no apparent cause.

卡梅伦：16岁男性，突然出现复视和夜惊，无明显原。

Myasthenia gravis preferentially affects young women or older men and commonly affects the extraocular muscles leading to eyelid drooping or double vision, but it might affect any skeletal muscle.

年轻女性和老年男性容易患重症肌无力，最常见的症状是眼外肌受累导致复视或眼睑下垂，还会影响其他骨骼肌细胞。

You want to relax your eyes until you see double vision, so 4 dots, but then pull it back so that they overlap and you get 3 dots.

你想放松你的眼睛， 直到你看到复视， 所以 4 个点， 然后把它拉回来，使它们重叠， 你得到 3 个点。

Myasthenia gravis can affect the extraocular muscles, which control movement of the eye as well as the eyelids, so individuals might have diplopia or double vision, as well as ptosis, or drooping eyelids.

重症肌无力能影响眼外肌，而眼外肌控制着眼睛、眼睑的运动，所以患者可能会有复视以及眼睑下垂。

Additionally, if there's damage to the nerves controlling eye movement, then eye movements can be painful and there can even be double vision, if the eyes can no longer move in a coordinated way.

另外，如果支配眼球运动的被损伤，眼球运动时会疼痛，并且若眼球不能协同运动，可出现复视。