Angular vision impairment

Angular aberration has no effect on reading performance By Prof. Dr. Dr. R. Werth When looking at a distant object, the axes of both eyes are directed toward this object so that the image of the object is projected onto corresponding points on the retina in both eyes. The [...]

System requirements Richtig Schreiben Lernen School edition

Possible installation variants This version is suitable for installation on individual PCs as well as for installation in a network. A combination of both versions is also possible. The technical requirements for a single-user installation can be found here.   Requirements for a server-based installation The following requirements apply [...]

How do our eyes move?

Sequence of eye movements: When reading, the eyes move in a fixed sequence: Fixation - gaze jump (saccade) - fixation - saccade - etc. Reason: The human eye is too slow to "scan" the text; it can actually only see static images clearly. Only our brain puts these individual [...]

Dyslexia due to wrong eye movements?

Can incorrect eye movements lead to dyslexia? Absolutely. Controlled, regular eye movements are essential for error-free reading. Typical errors are: Too wide gaze jumps. Letters are omitted. Too short gaze jumps. The word segments overlap, the reader could actually read faster. The eyes jump back and forth irregularly. The [...]

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