Because of the risk of permanent vision damage, the drug will be available only through a restricted distribution program.

由于该药物有导致永久性视力损害的风险，该药物将仅能通过严格限制的程序获得。

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About 500 of the drivers suffered from either defective near vision or distant vision, Parimoo added. Another 25 suffered from color blindness, while five had irreparable vision damage.

这位所长还说，大约有500名司机患有近视和远视，25人有色盲，5人的视力曾经遭受不可修复的损害。

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It is caused by damage to the blood vessels in the eyes, and results in gradual vision loss and blindness.

它是由眼睛血管受损引起的，会导致视力逐渐丧失和失明。

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There are also concerns about eyestrain and the potential for vision damage in small children.

FORBES: Technology

Samsung has now identified itself as a company willing to accept the loss of accessibility for the vision-impaired as collateral damage in its battle with Apple.

BBC: Samsung struggles to block iPhone function for the blind

According to Mr Gevisser, Mr Mbeki's vision of an African renaissance is an attempt to overcome the damage done by this sense of disconnection and to resurrect his continent's feeling of pride and identity.

ECONOMIST: Thabo Mbeki