Common problems include:

• discomfort with fluorescent lighting
• frequent headaches or migraines
• discomfort from computer screens
• headaches/eyestrain/fatigue when reading
• the need for someone else to check written work
• difficulty keeping up with new information
• poor concentration
• accident proneness

Benefits from Irlen Filters include:

• increased productivity
• improved performance
• greater efficiency
• less job related stress
• more job satisfaction
• less absenteeism
• fewer costly errors