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. Under constant tension, blood flow is often increased, thereby resulting in quicker and bigger pumps.
News. Premature birth causes blindness among babies. Consultant eye surgeon at the Eye Hospital and co-ordinator of childhood blindness, Dr. (Ms.) Mangala Gamage said the new cause for blindness is Retinopathy of Premature babies (ROP), a disease of the retina among prematurely born babies.
Color blindness has been known to result from a number of causes: 1  Shaken Baby Syndrome: This can cause retina and brain damage and therefore can cause color blindness in infants and children. 2  Trauma: Similar to above, accidents and other traumas can cause swelling in the visual processing center of the brain â the occipital lobe.