Alan Penn Irlen Clinic

Where the Science of Colour Tranforms Lives

Book an Irlen Test

Irlen Clinic In Derby

Appointments for the Derby based clinic at Marble Hall can now be booked below.  You can book a LONG session or a SHORT session. Future bookings for the next three months are usually possible. A deposit is not currently required and changes are possible on-line. Those who abuse these policies will be moved down the waiting list.

Irlen Assessments In London

Bookings for Irlen Assessments in London and beyond cannot yet be made on-line. It is possible to see you at home, work, or your place of education.  If your location is not possible for me to visit, I will help you to find a suitable location or person that can help you.

Please use our contact page to get in touch and a suitable visiting appointment can be arranged. Contact us here

Irlen Appointment Types

Irlen Filter Full Assessment: £175 + Filter cost (usually £150)

  • LONG SESSION
  • Required for those who will need to wear colour over the eyes if overlays are not sufficient
  • Required for those who wear coloured glasses that are NOT irlen Filters
  • You only pay for the full amount if filters are required
  • Irlen filters do not colour the world or darken like sunglasses
  • They can be worn and are effective in artificial, daylight and night lighting
  • Not Screened? Not Used Colour? Add a Mini-Screen for an additional £35 (not £75)

Irlen Filter Check / Re-Tint: £125 + Filter cost (£80 - £150)

  • LONG SESSION
  • For those who already wear Irlen Filters
  • Annually checks are recommended to ensure your colour is always optimum

Irlen Screening: £75

  • SHORT SESSION
  • Explores the full range of symptoms, discomforts and distortions
  • Determines your suitability for Irlen Spectral Filters
  • Establishes the best single or combination of Irlen Overlay colour
  • A negative test is charged at £25 assuming a full self test has been completed

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Irlen Trademark used with permission of Helen Irlen