SIR: I refer to an article published (BEN, August 19) about glaucoma. The only statistics quoted were for 1 per cent of over 40s and 3.1 per cent of over 70s were affected by this complaint.

I was 28 years old when I was diagnosed, although for a long time I had assumed the severe headaches, nausea and affected vision was migraine because I thought I was too young for glaucoma.

Therefore people of all ages should be aware of glaucoma and the symptoms and not dismiss them as I did but see your GP or optician who can do a simple, painless test. Hopefully then we can help to reduce unnecessary suffering in future years.

G Ede, Bolton.

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