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.
open angle glaucoma is the most common type of glaucoma the cause is unknown the increase in eye pressure happens slowly over time you can t feel it the increased pressure pushes on the optic nerve damage to the optic nerve causes blind spots in your vision open angle glaucoma tends to run in families