| Title | Eye Movements in Reading: Recent Developments
| | Authors | Rayner K.
| | Journal | Current direction in psychological science, volume 2, number 3, june 1993
| | Year of publishing | 1993
| | Abstract | When we read, our eyes do not move smoothly across the page of text as our phenomenological impressions imply. Rather, we make a series of eye movements (referred to as saccades) separated by periods of time when the eyes are relatively still {fixations). Eye movements are necessary during reading because of acuity limitations in the visual system.
A line of text extending around the point of fixation can be divided into three regions: foveal, parafoveal, and peripheral. The foveal region is the center of vision (extending 1° of visual angle to the left and right of fixation), where acuity is sharpest, enabling us to resolve the letters in the text easily, in the parafoveai region (extending out to 5° of visual angle on either side of fixation) and the peripheral region (everything on the line beyond the parafoveal region), acuity drops off markedly so that our ability to identify letters is not very good even in the near parafovea. The purpose of eye movements in reading is therefore to place the foveal region on that part of the text we wish to process next.
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