Blurry vision, or the inability to bring objects into sharp focus, can be caused by a number of conditions. Sometimes fatigue or illness can cause vision to be temporarily blurred. The following eye problems can also cause blurry vision: 1  Nearsightedness. 2  Farsightedness. 3  Presbyopia. 4  Astigmatism. 5  Cataracts. 6  Glaucoma. 7  Uveitis. 8  Dry eye syndrome. 9  Migraine.
Well, letâs talk size first. Tigers are heavier, weighing up to 800 pounds to the lionâs 550. But the two cats arenât so different in size. You might remember from high school health class that muscle weighs more than fat, which helps explain the tigerâs extra pounds. So it seems that the tiger would have a physical advantage over the lion.
Tigers are the largest of all cats, but also have the most variability in size. The largest subspecies, the Siberian tiger, grows to over 3.5m long with a mass of over 300k. The smallest subspecies, the Sumatran tiger, is only around 2m long and 100kg when fully-grown. 14. Tigresses are fertile for a period of only four or five days throughout the entire year.