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).
Examples of frame sizes and average weight for the American male:-. 1  Small Frame: The average weight is between 155 lbs and 168 lbs. 2  Medium Frame: An average weight somewhere between 165 and 178 lbs would be expected. 3  Large frame: The average weight would be between 172 and 197 lbs.