Karyotype is a test to identify and evaluate the size, shape, and number of chromosomes in a sample of body cells. Extra or missing chromosomes, or abnormal positions of chromosome pieces, can cause problems with a person's growth, development, and body functions. Karyotyping is done to: 1  Find out whether the chromosomes of an adult have a change that can be passed on to a child. 2  Find out whether a chromosome defect is preventing a woman from becoming pregnant or is causing miscarriages.  Find out whether a chromosome defect is present in a fetus.
The See Clearly Method had you do 30 minutes of exercises a day to strengthen and enhance the flexibility of the muscles that govern the eye's focusing power and control its movements. One, for example, had you hold a finger up as you varied your focus back and forth from the finger to a distant object.
A brief, well-timed eye break can keep your eyes happy. 3b. How: About every 20 minutes, look far in the distance for 20 to 30 seconds. Distance vision helps relax your eye muscles, which stops eye fatigue in its tracks. For the ideal eye break, get to a window and look far off.