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Visual Stress Help at GLENNS OPTICIANS Glenn's Opticians specialises in diagnosis and management of visual stress through the use of colorimetry. 

If you or your child has dyslexia or visual stress (Meares-Irlen Syndrome), coloured lenses can produce remarkable results, often markedly improving reading ability and confidence. 
Here at Glenns Opticians we use the latest computerised colorimeter technology to assess your eyes and then choose the optimum colour of the lenses, from 18000 possible colours. The result is a pair of glasses that is matched completely to your needs. 
As one of only two opticians in Liverpool, and the only one in Sefton, to specialise in this particular area, we can offer you a truly expert service. 
What is visual stress? 
Visual stress, or Meares-Irlen Syndrome, is a sensitivity to visual patterns. This mainly relates to stripes i.e. paragraphs of text. This can cause problems with visual perception, which, in turn, interferes with reading. 
It is important to note that visual stress is not the same as dyslexia. However, it is more common in those who have dyslexia. Equally, you can suffer from visual stress but not be dyslexic; the symptoms are often more apparent after extensive reading (such as studying). 
The symptoms of visual stress (all or some may be present): 
• Movement of the printed text 
• Blurring of print 
• Letters changing size or shape 
• Patterns in the print 
• Halos of colour surrounding letters or words 
• Tiring easily when reading 
• Headaches or visual discomfort 
• Red, sore or watery eyes 
What is the solution? 
Visual stress can be reduced by using coloured filters, either specially made coloured lenses in glasses or overlay. Tinted spectacles have many benefits compared to overlay, including: 
More choice of colours (18000 using colorimetry compared to 10 common colours with overlay) 
More convenient 
Colour can be used for writing, computer and whiteboard work 
We will undertake a full eye examination first to determine the best course of action for you. Many migraine sufferers find that precision tinted lenses gives them relief and reduces the intensity of their attacks. 
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