Irlen Syndrome (Sensory Processing Deficit)
(or Sensory Processing Deficit)
- A problem with the brain's ability to process visual information. This difficulty is associated with light induced visual perceptual difficulties.
- Scotopic Sensitivity Syndrome is not associated with visual acuity (glasses or contacts) or intelligence; it is a neurological problem.
- This syndrome may affect performance in reading, math, writing, behavior, attention and concentration.
- Scotopic Sensitivity can cause discomfort such as headaches, migraines, severe fatigue, light sensitivity, depth perception and other environmental issues.
- Factors of Scotopic Sensitivity Syndrome
- Light sensitivity
- Inadequate background accommodation
- Poor print resolution
- Restricted span of recognition
- Lack of sustained attention
- Things to watch for in the classroom:
- Students report that the letters or words are moving or “falling off the page”.
- Students say that the background of the page is bright, uncomfortable, flashing or twinkling.
- Their reading is slow and inefficient.
- They are unable to do continuous reading..
- The student may tire or fall asleep while reading.
- The student may experience reading-induced headaches or nausea.
Be sure to rule out vision problems before referring for Scotopic Sensitivity screening.