The working on the computer is really tough because the human body already confronts many radiations through the system, but the comfortable chairs provide an individual complete comfort and ease to concentrate on their work without any health issues.
Humanscale Freedom Chair, Steelcase Leap Chair, Herman Miller Mirra 2 Chair, Herman Miller Sayl Chair, Steelcase Think Chair, Herman Miller Embody Chair, Steelcase Amia Chair, Herman Miller Aeron Chair, etc are the best office chairs are easily available in the market.
I suggest DXRacer R-series computer chair. The computer chairs are the very much important for the person who is working for a long time on the computer. The DXRacer R-series is a large-sized computer chair with a forceful racing design. It features a robust steel frame, side support, adjustable armrests and a backrest.
If you want to know any details click here: http://high-tech-industry.com/racing-seat-home-review-computer-chair-dxracer-r-series/