The extraocular muscles must turn each eye inward; the sphincter muscles must work to make the pupil smaller; and the ciliary muscles must contract to allow the lens to change to a shape that will produce a clearer image. Solution: Focus on a distant object to immediately feel your eyes relax.
Its upper body is blue, the belly is silver, and the fins are yellowish-gray. The common amberjack can reach five to six feet (1.5 to 1.8 m) in length and more than 100 pounds (45 kg) in weight. The average weight, however, is 10 to 15 pounds (4.5 to 6.8 kg).
How much weight can a bald eagle lift? Bald eagles generally weigh between 4 - 6 kilograms, although some have been found both below and above this range, with some Alaskan eagles recorded with weights of well overâ¦ 7 kg. Female eagles are the larger and heavier of the sexes.