01/30/2026
How do you know itās time for an Irlen filter re-check? ⤵ļø
⢠Recurrence or escalation of visual stress symptoms (e.g. headaches, asthenopia, reading fatigue)
⢠Reduced efficacy or intolerance of current filters
⢠Changes in visual acuity or optical prescription.
⢠Developmental or maturational changes in visual processing
⢠Hormonal changes (including puberty, pregnancy, menopause)
⢠Medical or neurological changes (e.g. illness, migraine disorder, concussion, systemic conditions)
⢠Lifestyle or functional changes (increased screen exposure, altered occupational or academic demands)
⢠Environmental changes affecting visual load or lighting conditions
⢠Physical degradation or ageing of filters (fading, damage, discoloration)
⢠Variable or inconsistent symptom control
⢠Routine review due to the potential for changes in visual processing over time
Contact your local diagnostician or comment below and we will help you locate someone close to you.