视力

"Time to visit the optometrist," I muttered.

"该去检查视力了。"我喃喃低语道。

My optometrist says I have 20/20 vision.

我的验光师说他的视力很正常。

But our winner is Aman, the 20-year-old orangutan who had his eyesight restored after 10 years of blindness.

我们把最凶悍动物奖颁给了20岁的红毛猩猩，它的视力在失明十年后得以恢复。

The excitement of developing and pursuing a realistic vision makes orthodontics a rewarding experience.

激动的发展和追求的现实使矫正视力有益的经验。

We cannot overemphasize the importance of protecting our eyes too much!

再怎么强调保护视力的重要性也不为过！

He had beem given because of the pain from his heart attack made his eyes weak and he only dimly saw the young man in marine corps unifrom standing outside the oxygen tent.

由于心脏病，他视力变弱，他隐约看见海军特种部队整齐地站在氧气罩外。词组有 heart attack 心脏病突发 dimly是微弱的的意思 marine 是海军 corps 是特种部队

Hypertension in patients with rapidly progressive disease after 1 to 2 months there will be retinal bleeding, peeling, papilledema, blurred vision and other symptoms, severe cases will soon be blind.

急进性高血压患者在发病后1～2个月内就会出现视网膜出血、剥落，视神经乳头水肿，视力模糊等症状，严重者会很快失明。

Headache, vomiting, ataxia, and visual deterioration are common presenting symptoms. Hemiataxia is a frequent finding in adults because of the hemispheric location of most tumors. Gait ataxia, papilledema, nystagmus, facial palsy, and neck stiffness are also common.

头痛、呕吐、共济失调以及视力减退是常见的临床表现，成人常出现偏身共济失调，这是由于肿块多位于小脑半球，步态共济失调、视乳头水肿、面瘫、颈项强直也是常见的。

Some of them with visual loss, optic papilledema and orbital mass. B-scan ultrasonography revealed a cyctic tumor and a strong echo spot with spontaneous movement. On CT scanning, found was a well-defined hyperdensity mass in which there was a low density area. On MRI, the signal intensity of T1WI of cystic fluid was low or moderate and of T2WI was high, while the signal intensity of T1WI and T2WI of surounding scar tissue was still low.

结果 22例有反复的眶内炎症史及占位性病变体征，如眼睑及结膜充血水肿，眼球突出，眼球运动受限；6例有视力下降和视乳头水肿，并扪及肿物。B超示占位性病变内有液性暗区及自发运动光斑；CT扫描示高密度块影中央部有低密度区；MRI检查示囊液信号强度T1WI为低或中信号，T2WI为高信号，其周围的纤维瘢痕组织T1WI和T2WI均为低信号。

Harper explains: We want to give people the opportunity to work and, if they want to, there is no reason why blind and partially sighted people shouldn't work.

Harper解释说：我们想要为他们提供工作机会。这很重要，因为这些机会本来就属于他们，只要他们愿意工作，视力残疾决不能成为拒绝他们的理由。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。