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.
How Can I Prevent Vision Problems? Preventive eye care is the first line of defense against vision problems. Early detection of vision problems may offer more effective treatment options: Have periodic eye exams (every 2-3 years for healthy patients under 50, yearly for patients over 50 or those with known health risk factors). Know your family's history for any eye problems. Follow a healthy lifestyle. Eat a nutritious diet for eyesight. Wear durable eye protection when involved in activities that could cause traumatic risk to your vision, such as sports, dealing with firearms, playing paintball. Occupations where hammering, cutting, sawing, drilling, or working overhead are other examples.