Preventing for negative affects.

As in facts,that long work before computer you are getting headaches, fatigue eyes, shoulders aches, wrists, changing  for forces accommodations, and colours bad perception, as on an ending days your muscles are weak, forces, changing working pose. Display work with leads to prolonging activation for accommodation and convergention, as leading to complaints for operators, as reasons for eyes diseases as perception in accommodation, defects eyes mobility, refraction anomalies, with redness eyelids, eyes apples, tearing, burning, aches in eyes, forehead aches, diplopia, vision loosing, light fearing. As a big factor for fatigue vision by many authors stats as long checking for display, as a firsts signs for astenopia are vision fatigue in 45 minutes after long work for screen, but by other stats since in accommodation research, vision functions are lowering in two hours since long work. As in short rest in every two hours fatigue indexes are lowering, but for 4 hours before screen sitting you are filling for fatigue, as after these we are giving you a few advices for lowering fatigue in display working.As room with display is comfortable, reneview an often, as a size for one display is 9-10 metre in quadrate, as visual contact a worker with other displays is not need, as avoids a very high contrast for lightness between a screen as surrounding space, as optimal is  few contrast absence, as working in dark, half dark room is avoiding. As evening light for at room is a lightens,like for screen lightness and of blue colour, as ion a daily time also adds blue background as for a calculation walls colouring. As in chair put support on an waist part bending a spine, as of oblong pillow or roll.As in refractions rejects as myopia, hyperopia are corrected with glasses as in a seriouse problems you are consulting in a doctor about a possible working with display. As in every 45 minutes you are doing for short training as turning eyes on clockwise and back, light gymnastic for a body, as raise and low hands, as within a few sec an all these.
Every hour doing for resting as doing an exercises for relaxing, do not fear add for your enjoyed exercise to the which you are you doing daily.