One or more techniques and/or systems are disclosed for improving reading ease of text displayed by a device. Reading-related feedback, such as feedback that indicates user reading speed and/or user reading comprehension, can be received for a user of the device. One or more display-related characteristics, such as characteristics that indicate how text is displayed by the device, can be received for the device. Using the reading-related feedback and the one or more display-related characteristics, a reading model can be created that can indicate desired display parameters for displaying the text on the device. The desired display parameters indicated by the reading model may be used to improve reading ease of the text, displayed by the device, for the user.