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).
Physical characteristics: An average size for an alpaca is 34â (85 cm) at the withers, with males weighing between 120 and 200 pounds (54 to 90 kilograms), and females weighing between 95 and 175 pounds (43-80 kilograms. The birth weights on crias (baby alpaca) range from 12 to 24 pounds (5.5 to 11 kilograms). Fibre: