The Positive: 1  Exercises using a cable puts muscles under a constant tension. With free weights, the angle of joints are often changing, thus the resistance on the muscle is also changing. 2  Cable machines can be extremely versatile. They can be used for a wide range of exercises through complete ranges of motion.
As these blood vessels leak fluid, they damage retinal cells. Over the course of days or weeks, scar tissue forms, creating a blind spot in the center of your vision. Although wet AMD occurs in only about 10 percent of cases, it's responsible for nearly 90 percent of severe vision loss from this disease.
a place where the retina is not covered in rods or cones; because the light of an object is sensed by both eyes. what causes the blind spot, and why do we generally not notice it? the rods are more sensitive to light while the cones are responsible for color detection in this activity, you experienced fatigue of the cones, the receptors on the retina responsible for color detection.