Notable too in skygazing lore Mizar, second star from the left in the dipper's handle, forms a vision-testing visual double star with apparently close Alcor.

同样显眼的还有北斗勺柄的左起第二颗星星北斗六开阳，她与北斗七玉衡组成一个测试眼力的视觉双星。

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Notable too in skygazing lore Mizar, second star from the left in the dipper's handle, forms a vision-testing visual double star with apparently close Alcor.

值得注意的还有斗柄左数第二颗星“开阳”，它与临近的“开阳增一”是一对用于测试视力的肉眼可见双星系统。

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The finest taro after peeling, silk, cooking, kneading, and then into a variety of coarse grains, natural color configuration beautiful sweet food, bring you a taste, visual double enjoyment.

上等的芋头经过剥皮、丝化、蒸煮、揉制，再融入各种粗粮，天然的颜色配置斑斓香甜的美食，给你带来味觉、视觉的双重享受。

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His visual effects company Double Negative is a great success story, with credits on films ranging from Harry Potter to Batman to Inception, for which it won an Oscar.

BBC: Coding - the new Latin

Mark Huffam, whose film production credits include Saving Private Ryan and Mamma Mia, becomes a CBE, and there is an OBE for Alex Hope, who runs visual effects company Double Negative and won an Oscar this year for his work on Inception.

BBC: Colin Firth made CBE in Queen's Birthday Honours List

The most common of these are eyestrain, double vision, temporary short-sightedness and visual fatigue.

BBC: Computer eye tests