The human easy to have the eye strain factor to have the following four aspects approximately:Eye aspect factor: When the human contracts the hyperopia, the nearsightedness, astigmatism isochronism, looked that looked far nearly needs to use the very big adjustment strength, then easy to produce the eye strain. Contracts the nebula, the crystal muddy as well as other eye diseases roberto sunglasses causes regards the thing not to be unclear, also easy to cause the eye strain.Physique and life aspect factor: For instance lacks the exercise, the malnutrition, to lose sleep, the life not to have the rule, the tobacco and liquor frequently, not to pay attention excessively with the eye health and so on, easy to have the eye strain.Age aspect factor: 40 year-old above person, the eye starts to get older, but promptly has not matched the old light microscope, then easy to have the eye strain.
Environment aspect factor: The work either studies the place illumination insufficiency, the read-write handwriting or works too small, the goal and the background difference are not bright, the read-write and the operating time is long, apparent distance not fixed for example on vehicle ship read-write and work and so on, may create the eye strain.The nervous eye strain and the eye hyperemia, needs to rest immediately, then makes the following gymnastics, eliminates the eye strain.1st, holds back the eyeball law to shut the eye, with the index finger, the middle finger, the ring finger refers to the end to hold back the eyeball gently, may also revolve rubs lightly. It is not sustainable too long or makes an effort to carrera sunglasses rub the pressure, about 20 seconds stops.2nd, holds back forehead law both hands' each three fingers from the forehead central committee, rubs to about temples' directional rotation, makes an effort to hold back the temples again, available fingertip application of force. So the eye base will have the comfortable feeling. Repeatedly makes 3~5 times.3rd, holds back the glabella law thumb abdomen to paste underneath the eyebrow root the depression, holds back or the rotation gently. Repeatedly makes 3 times.
The eye looks at the distant place, the eyeball faces right - - on - - left - - under the directional rotation, the forehead cannot rock. Except for this, makes an effort to blink, closes one's eyes, Can eliminate the eye strain." The immortality as well as the radiation, are ' a computer race ' the eye health has laid down the hidden wholesale sunglasses danger. This kind of person needs to protect the liver during the attention with eye health to raise the blood. " Li Xingguang said that may consider the nutritional therapy and the medicine cure the method which unifies.