• Misaligns digits in number columns
• Difficulty in seeing numbers in the correct column
• with regard to the above problem I took my family to The Palm Restaurant in Manhattan, and when presented with the Visa bill was unable to add the 2 columns when I tried to add the tip. The waiter was pompous and made a real deal out of having to rewrite the credit card slip so I could redo it.
• Sloppy or careless errors
• Uses finger or other marker when working with columns of numbers
• Difficulty seeing numbers or decimal points
• Reversals of numbers (transposing of numbers)
• Difficulty balancing a checkbook

Learn more about Irlen Syndrome.