Impact of a computer! TO HUMAN HEALTH Completed: Kolosok Bogdan
Relevance of Due to the process of global computerization of life raises questions about the impact PC to physiological and mental health
Сидяче положення Результатом напруження м´язів і відносної статичності пози може стати остеохондроз, а у дітей – сколіоз.
Electromagnetic Radiation can lead to such changes in the body at which it becomes more vulnerable to hazards second nature, like xena, antibiotics, viruses, etc.
Overloading joints hands In the fingers due to constant attacks on the keys, there is a feeling of weakness, numbness in the balls. This can cause damage to joints and ligamentous apparatus of the brush in the future to karparalno Tunnel Syndrome (CTS).
Loss of visual acuity Overloading the eye causes loss of visual acuity. User deteriorating vision, the eyes begin to tear, headache, fatigue, ghosting. This phenomenon is called "computer eye syndrome. " Avoid this will use the basic rules of hygiene.
Dependence Passion for the virtual world becomes a morbid character. Dependence on the computer - it's the same as addiction.
Research on the impact of computer concentration n Procedure of the study: The research was conducted by a group of students in grade 9 of 9 people before and after working at a computer in the classroom using science test Perona-Ruzera. The results of this test: the number of the subjects treated in 60 seconds geometric shapes, counting and range, and number of errors. Conclusion: The results of the test, I found that working on the computer reduces the concentration of students.
Research on the impact of computer observation n n Procedure of the study: observation study was conducted with a group of students 7 "B" class with seven students. With the projector subjects were offered to consider two images with ten variations for 1 minute. When the signal "Stop" pictures collected and subjects pointed to the sheets found in Pictures differences. After completing work on the computer students were offered this test study, but with different pictures. Conclusions: The results of the test revealed that the computer lowers observation of students.
Study the impact of the computer on blood pressure and pulse teens Procedure of the study: 10 students from 10 classes using a tonometer measurements were made of blood pressure and heart rate before and after working at the computer. n Conclusions: The computer does not significantly affect blood pressure and heart rate in adolescents performing regular work. n
1. Children are recommended by computer is more than 2 hours a day and less play. During this time, 15 minutes is necessary to take a break. During the break, it is desirable to walk, do exercises for the eyes. 2. After working on the computer must wash your hands. Between keys and mouse to accumulate dirt, which reproduce many bacteria. 3. For the prevention of respiratory disease often do wet cleaning of the room and ventilate it. Vaporizer in the room you can put an open jar of water, such as an aquarium with fish. 4. People with low vision need to use products that enhance retinal vessels: blueberries, black currants, carrots. The diet should be present myopic cod liver oil, parsley, lettuce, dill. 5. The greatest benefit of exercises for the eyes brings in the prevention and the early stages of weakening. Gymnastics eye usually takes less than five minutes and is translated alternate view of near and far objects, frequent blink eyes.
n n n n Ideal lighting - dim ambient light; The monitor screen should be absolutely clean; The monitor and keyboard should be placed directly on the table; Center of the screen should be at the level of your eyes; The monitor screen should be at a distance of 50 -60 cm from the eye; The level of electromagnetic radiation on the side and rear of the monitor is higher than before, so it's best to set the computer in the corner of the room; Do more wet cleaning of the room where the computer is running, ventilate it.