In severe cases, the lens hardens completely.

在严重的情况下，晶状体会完全硬化。

Only the most severe cases are treated.

只有最严重的病例才会得到治疗。

And in more severe cases, can cause a psychotic episode.

在更严重的情况下，还会导致精神病发作。

And also, occasionally, severe cases, death.

并且，更严重的情况，就是死亡。

The less severe cases are permitted to live off the grounds.

只要情况不严重，你就能在外面生活。

In severe cases, a bone marrow or liver transplant might be needed.

对于重症患者，可能需要进行骨髓或肝移植。

In more severe cases, viral culture of tissues can also be helpful.

更严重的情况下，病毒培养也有助诊断。

In severe cases, keratitis can lead to corneal scarring, vision loss and complete blindness.

在严重的情况下，角膜炎可以导致角膜瘢痕、 视力下降和完全失明。

In very severe cases, intravenous corticosteroids, magnesium sulfate, and oxygen therapy might be needed.

在非常严重的情况下，可能需要静脉注射糖皮质激素、硫酸镁和氧疗。

But severe cases of dengue can lead to internal bleeding, organ failure, and death.

但严重的登革热病例可能会导致内出血、器官衰竭和死亡。

Long COVID is common to severe cases, but can also occur in mild cases.

新冠长期症常见于严重病例，但也可能发生在轻度病例。

And then on top of that, you get these really severe cases that are deadly.

最重要的是，还会出现一些非常严重的致命病例。

And obviously, the most severe cases are someone that actually goes on a cardiac arrest.

显然, 最严重的病例实际上是旅客心脏突然骤停。

Treatment involves correcting the underlying condition, or, in severe cases, RBC transfusions or erythropoietin injections.

治疗方法包括治疗原发疾病，或在严重的情况下，采用红细胞输注或红细胞生成素注射。

While most infected people do not get symptoms, severe cases can lead to plasma leakage and death.

虽然大多数感染者不会出现症状，但严重的病例可能会导致血浆泄漏和死亡。

In severe cases, a peanut reaction can kill, unless the child is given an injection of epinephrine.

在严重的情况下，花生的反应会致命，除非给孩子注射肾上腺素。

In less severe cases, people are unable to describe the face of someone they have just met.

在不太严重的情况下，人们无法形容他们刚刚见过的人的长相。

In more severe cases, disease modifying anti-rheumatic drugs, or DMARDs, like sulfasalazine and methotrexate can be helpful.

在严重的病患中，改善病情抗风湿药（DMARDs），如柳氮磺吡啶和甲氨蝶呤，是有效的。

This is also adding to a greater number of severe cases arriving at hospitals, the experts said.

专家表示，这也导致送往医院的重症病例增加。

A poorly perfused placenta can lead to intrauterine growth restriction and even fetal death in severe cases.

胎盘供血不足导致宫内发育受限，严重时甚至出现死胎。