Example Sentences for orbiting. Two ships which had been orbiting the planet also changed course and started out. Now, Herc, on the air, you're orbiting the fourth planet of a sun. The ship swung down into the cloud layer; floating wisps of gray vapor streamed past the orbiting Cavour. High precision electronic eyes placed on orbiting satellites picked up the firing of the rocket and the launch parameters.
1 There is no evidence from this study to suggest that taking nutritional supplements can prevent people who currently do not have vision problems from getting AMD in the future.  The results are restricted to the supplements evaluated (lutein, zeaxanthin, zinc, vitamins C and E, and beta-carotene).
Zinc. Night blindness may also be the result of a zinc deficiency which reduces the activity of an enzyme that helps the body produce vitamin A (retinol dehydrogenase). Research has shown that taking a zinc supplement is helpful. Healthcare providers often recommend 15 - 30 mg of zinc daily for vision. At the same time long-term supplementation with zinc may lower copper levels, so 1 - 2 mg of copper daily is recommended to be taken with zinc for extended use.