A twitching eye can be one sign of stress, especially when it is related to vision problems such as eye strain (see below). Reducing the cause of the stress can help make the twitching stop. Tiredness: A lack of sleep, whether because of stress or some other reason, can trigger a twitching eyelid.ye strain: Vision-related stress can occur if, for instance, you need glasses or a change of glasses. Your eyes may be working too hard, triggering eyelid twitching. Computer eye strain from overuse of computers, tablets and smartphones is also a very common cause of vision-related stress.
Quick Answer. A walrus eats mainly mollusks, such as clams. A walrus also eats shrimp, crab, worms, sea cucumbers and coral. Occasionally, a walrus has been known to eat the carcasses of seals when it cannot find food. Continue Reading.
The main predators of the walrus are polar bears, killer whales, and humans. Humans have hunted the walrus since the days of the Vikings and early Native Americans. It is the Atlantic walrus that was the hardest hit by humans because the population centers of the world were in their area (northern Europe) for the longest time.