(www.neomundo.com.ar)-_A_diario,_nuestros_ojos_realizan_diversos_esfuerzos_para_proporcionar_nos_una_mejor_visión.) While there are many people who receive it, are more that do not. AstenopÃa, more commonly known as fatigue eye, encompasses all the drawbacks and annoyances that appear in connection with the vision and is the main cause of fatigue and eye irritation. To prevent, detect it or treat it, it is important to know all the factors that can lead to the eyes to dry or irritate.
The most common causes of eye fatigue are those that relate with the use of glasses or the incorrect use of them. Added to this is the excessive use of screens (cell phones, computers and televisions), bad lighting environments – low or as too abundant-, environmental pollution and the closed sites suitable for smokers.
A little less known is the influence of devices of heating and air conditioning, causing evaporation of secretion tear, preventing that the eye is properly moisturize.
Symptoms for attention
“this symptomatology (which affects both men and women) usually occurs in children and adolescents as it increases its visual activity by the study and leisure activities.” “Young people already inserted in the most intense professional and educational activity also increase their chances of suffering from this condition”, describes Pablo Wainberg, ophthalmologist of the service of Ophthalmology of the Swiss Medical Center of Buenos Aires, Argentina.
“Headache, eye strain, sensation of a foreign body in the eyes, eye dryness, redness of the area and inflammation of the eyelids-free edge are some of the most common symptoms when we speak of astenopÃa.” “May also be lack of concentration or half-hearted reading”, adds.
“the best way to prevent these symptoms is to regularly attend the doctor ophthalmologist, who will control the State of our visual health and periodically monitor its evolution – warns-.” “On many occasions it is necessary to incorporate the use of glasses both to correct the type (myopia, hyperopia, astigmatism) as to try to block the reflections and make more comfortable the daily work with screens.”
sometimes, specialists recommend to use artificial tears to prevent or treat symptoms related to eye dryness, usually produced by the increased evaporation of tears to expose the view of monitors and screens.
During a conversation, the partners blink an average of 22 times per minute. When reading, the blinking decreases to a range between 12 and 15 times per minute. To be at a computer, the movement of the eyelid tends to decrease further, up to 5 times per minute and sometimes, less.
This is due to the concentration that produces stand before the screen, which makes that reduce flicker and appear what is called dry eye.
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