Class A drug abuse: an ophthalmologist's problem?\ud
[First Paragraph]\ud The 2002/3 British Crime Survey reported that 3% of all 16 to 59 year olds (equating to around one million people) had used a class A drug in the last year. Use of a class A drug in the 16-24 year old age group (8%) has remained similar since 1996. Use of cocaine and crack cocaine are on the increase. For the first time since 1996 the use of ecstasy has decreased. Poly drug use is not uncommon. During the year 2000/1, 118,500 patients were in treatment with drug misuse agencies and general practitioners. Ocular sequelae from illicit drug use are varied, affecting visual acuity, visual perception, ocular posture or motility, the globe itself or its adnexa. Large studies are not available to allow us to quantify the problem, and many of the reports are of single cases or small case series. However, an awareness of possible problems which may arise from the use of class A drugs may alert the clinician to this as the aetiology of a condition presenting to them.
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