In the meantime, the RNIB recommends that everyone has a normal eye test every two years.
同时，英国皇家盲人协会还建议人们每两年进行一次正常的眼部检查。
The most vital thing to do to be the most accurate would be to get to know their normal eye patterns first and to make sure that this person is not an exception.
要想做出最准确的判断，至关重要的一点就是首先了解他们正常的眼动模式，确定他们不是例外的人。
The far point of a normal eye is at infinity.
正常眼的远点在无穷远处。
A near-sighted eye has a shorter focus than a normal eye.
近视眼的焦距比正常眼睛的要短。
A near-sighted eye has a shorter focus than a normal eye.
近视眼比正常的眼睛有较短的焦距。
Total FN was expressed in the normal eye tissue, and increased post-trauma in the PVR membranes;
总FN在正常眼组织中表达，在伤后的PVR增生膜中表达增加；
If you study a normal eye you will see blood vessels in the whites of the eye but these stop at the cornea.
如果观察人类眼睛，你会发现在白色的巩膜上有血管存在，而角膜却没有。
If you study a normal eye you will see blood vessels in the whites of the eye but these stop at the cornea.
如果观察人类眼睛，你会发现在白色的巩膜上有血管存在，而角膜却没有。
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