The illness will result in total blindness if (it is) left untreated.

如果不治疗的话，这病将导致完全失明。

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It does not affect peripheral vision, but the loss of clear central vision can rob a person of the ability to read, drive and recognise people's faces even without causing total blindness.

这种病不影响外周视力，但是明显的中心视力的丧失会剥夺患者阅读、驾驶的能力，甚至即使没有出现全盲的情况下也会是患者不能认出别人的脸。

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Milton has his hero, Samson, bewailing the fact of his blindness: "o dark, dark, dark, amid the blaze of noon irrecoverably dark, total eclipse without all hope of day!"

弥尔顿描写到自己崇拜的英雄参孙悲叹自己失明：，黑暗，黑暗，黑暗，在正午的光辉中，无法改变的黑暗，黯然的没有一点希望。

youdao

Milton has his hero, Samson, bewailing the fact of his blindness: "O dark, dark, dark, amid the blaze of noon irrecoverably dark, total eclipse without all hope of day!"

弥尔顿描写到自己崇拜的英雄参孙悲叹自己失明：,黑暗，黑暗，黑暗，在正午的光辉中,无法改变的黑暗，黯然的没有一点希望“

耶鲁公开课 - 弥尔顿课程节选

Regulators also are considering requiring that 2% of contractors' work forces be comprised of severely disabled workers, such as those with total deafness, blindness, or missing extremities.

WSJ: U.S. Pushes Target for Hiring the