a balanced diet

Students how to defend their eyesight (2008-12-10 21:29:34)
Tags: pedagogue Zatan Category: Health
a life , the environment : more adjoin with ecology, far away to see more green traits .
Second, position , location :
1, read and jot , the chair elevation to be modified according to elevation .
2, correct upright pose to 30-40 cm from the desktop to fitting and to be vertical to line of sight and the paperback Not close to the desktop .
3, light exposure from the upper left and the light ought be adequate
4, do not see by the font namely also small or fuzzy printing
5, shaking inside do not read
III Time :
1,beijing escort, continuous writing , reading every 40 minutes to be closed for 5-10 minutes .
2, eye in the home every day behind educate period (including reading, writing , TV , computers , novels , computer dolls, Piano , etc.) to the principle of no extra than 2 hours to shirk eye labor .
four , TV :
1, eyes remain and TV screen size of almost 6-8 times the distance .
2, watching TV Every 30 minutes to be closed for 5-10 minutes , perennial watch TV must not exceed more than 1 hour .
3,Figure 8,toronto escorts, seeing television, the room lights still lit .
five computers :
1, Work must stop every half hour because 5-10 minutes .
2, apparatus filters apt prevent the reflected light .
3, there should be minimum 1 meter after the computer room ,shanghai massage, and the background color and soft,beijing escort, for a short-lived line of sight Leave the recess .
4, situation the computer screen should be in the line of sight between 10-20 degrees and 60-70 cm and the distance between the eyes .
5, daily use of time not more than 4 hours .
six , Nutrition :
1, a balanced diet , not fussy eaters .
2, normal intake of vitamin A -rich foods , such as: carrot , tomato, spinach alternatively dark green , deep yellow vegetables, eggs yolk , liver, eyes and so ashore Health effects .
seven amusements : do more outdoor sports .