Irlen syndrome
Irlen Syndrome
Irlen Syndrome (pronounced /ˈɜːrlɪn/), also known as Scotopic Sensitivity Syndrome (SSS), is a perceptual processing disorder primarily affecting reading and writing abilities. It is named after the American psychologist Helen Irlen, who first identified the condition in the 1980s.
Etymology
The term "Irlen Syndrome" is derived from the name of its discoverer, Helen Irlen. The alternative name, "Scotopic Sensitivity Syndrome", refers to the condition's impact on the scotopic or dim-light vision system.
Definition
Irlen Syndrome is a condition characterized by difficulties in visual processing, particularly in relation to the perception of color and contrast. Individuals with this syndrome may experience discomfort or distortions when reading black text on a white background, a condition often alleviated by the use of colored overlays or lenses.
Symptoms
Common symptoms of Irlen Syndrome include light sensitivity, difficulty reading black text on white paper, headaches or eye strain when reading, and problems with depth perception. These symptoms can vary in severity and may not be present in all individuals with the condition.
Related Terms
Treatment
Treatment for Irlen Syndrome typically involves the use of colored overlays or lenses, which can help to reduce visual distortions and discomfort. Other strategies may include changes to lighting or the use of assistive technology.
See Also
References
External links
- Medical encyclopedia article on Irlen syndrome
- Wikipedia's article - Irlen syndrome
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