A system and a method are presented, configured for use in data display. The method comprising: providing data about vision requirement of a user, providing data about content to be displayed to the user and generating and displaying initial display data on a display device, and identifying a region of interest of the user within the display data. The method further comprising processing the display data in accordance with the data about vision requirements of the user for generating refreshed and modified display data comprising suitable image processing for at least a portion of the display data within the region of interest and transmitting the refreshed display data to be displayed on the display device. The refreshed and corrected display data thus provides improved image display to the user within the region of interest.