http://en.wikipedia.org/wiki/Human_eye
Trying to maintain an intact tear film by the following actions. 1) blinking and short breaks may be beneficial for VDU users.Increase these two actions might help maintain the tear film. 2) downward gazing is recommended to reduce the ocular surface area and water evaporation. 3) the distance between the VDU and keyboard should be kept as short as possible to minimize evaporation from the ocular surface area by a low direction of the gaze.And 4) blink training can be beneficial.
Trying to maintain an intact tear film by the following actions. 1) blinking and short breaks may be beneficial for VDU users.Increase these two actions might help maintain the tear film. 2) downward gazing is recommended to reduce the ocular surface area and water evaporation. 3) the distance between the VDU and keyboard should be kept as short as possible to minimize evaporation from the ocular surface area by a low direction of the gaze.And 4) blink training can be beneficial.
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