Visual stress is a common condition of the visual cortex which affects around 1 in 5 people and is often experienced by people with dyslexia, but is a separate and distinct condition. Apparent movement and distortion of text, headaches and sore eyes are common symptoms of visual stress. Coloured overlays can improve reading experience.

This Self-Test Kit is designed to be of help to individuals in acquiring greater accuracy in your choice of Visual Stress filter colour.

Contains 10 sample filters (15cm x 5cm) - 1 x Celery, Aqua, Yellow, Jade, Pink, Purple, Magenta, Orange, Sky, Grass - along with further information and full instructions for colour selection.