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.
Causes of Night Blindness / Nyctalopia. Night blindness, also called âNyctalopiaâ, is a condition characterized by the inability to see well or to see at all in low light. It can also give a diminished ability to see contrast and difficulty transitioning from bright light to dim light.ommon causes of untreatable night blindness include the following conditions. 1  X-linked congenital stationary night blindness â This type of night blindness is, as the name says, congenital. 2  It is caused by a genetic defect and comes in two forms: complete and incomplete.