What Doctors Don't Tell YouQ Ever since I’ve had LASIK surgery, I’ve suffered from dry eyes. My doctor has given me some eye lubricants that help, but I’m nervous about what they contain. Can you tell me if they are dangerous? Are there alternatives? - T.T., Coventry
Re ‘Glaucoma’ (WDDTY vol 15 no 12), the preservative in many eyedrops is benzalkonium, which contains a benzene-related chemical that is well documented to cause bone-marrow damage. In a report published in Ophthalmology (2001; 8: 74-80), it states...
