Free tools
Prescription Decoder
Enter the numbers from your glasses prescription and get a plain-English explanation of what they mean.
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Vision Standards Explainer
Understand your visual acuity, whether you meet the driving standard, and what the legal definitions mean.
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Why Are My Eyes Watering?
Answer five short questions to understand the most likely pattern behind your symptoms - and what to do next.
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Written by a consultant ophthalmologist
PlainVision was created by Chris Matthews, Consultant Ophthalmologist and Oculoplastic Surgeon. These tools exist because patients deserve clear, honest, clinically accurate information - not just search results.
All content is educational only and does not constitute medical advice.
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It's Not Worth Crying About
A complete plain-English guide to watery eyes - covering causes, investigations, and treatments. Written for patients, not clinicians.
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PlainVision provides general educational information about eye health. It does not provide medical advice, diagnosis, or treatment. If you have concerns about your eyes, please consult a qualified healthcare professional.