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  • General Characteristics:

  1. Reads in dim light

  2. Feels there is insufficient or too much light

  3. Is bothered by glare

  4.  Is light sensitive


  • Appearance of the eyes:

  1. Reddened eyes and lids

  2. Watery eyes


  • Complaints:

  1. Headaches

  2. Burning or itching eyes

  3. Sandy, scratchy, dry eyes 

  4. Sleepiness when reading 

  5. Tiredness when reading

  6. Doubling, moving, or fuzzy- looking words

  7.  Disappearing words


  • Types of reading difficulties:

  1. Skips words or lines

  2. Repeats or rereads line

  3. Reads for less than an hour 

  4. Loses place

  5. Reads word by word or slowly

  6. Omits small words

  7. Has poor reading skills and comprehension

  8. Reads progressively worse as reading continues


  • Depth perception:

  1. Has difficulty getting on and off escalators 

  2. Is clumsy

  3. Walks into table edges or doors

  4. Has difficulty judging distances

  • Observation while reading:

  1. Rubs eyes

  2. Moves closer to or further from the book

  3. Blinks excessively 

  4. Squints

  5. Opens eyes wide

  6. Shades the page with hand or body

  7. Incorporates breaks into reading

  8. Moves the book to reduce glare

  9. Closes or covers one eye 

  10. Moves head

  11. Reads close to the page

  12. Reads word by word 

  13. Uses fingers or other marker to block out part of the page

  14. Is unable to skim or speed read


  • Complaints of computer:

  1. Eye strain and fatigue

  2. Headaches


  • Writing:

  1. Writes up or down hill

  2. Has unequal spacing between letters or words 

  3. Is unable to write on the line

  4. Makes errors copying from books

  5. Makes errors copying from chalkboard

  6. Squints or blinks while copying from chalkboard


  • Mathematics:

  1. Misaligns digits in number columns

  2. Makes sloppy, careless errors

Characteristics of Irlen Syndrome
(Scotopic Sensitivity Syndrome)

Life-Changing Colorful Solutions

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