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The British Ophthalmological Surveillance Unit (BOSU)

COVID-19 UPDATE: For a combination of practical and methodological reasons the BOSU committee has decided to suspend temporarily the distribution of yellow notification cards for the next 3 months. The Royal College of Ophthalmologists’ building is closed for a period of time and there will be no postal delivery or staff members to sort and enter

BOSU: the monthly card reporting system

A yellow report card containing a list of conditions being surveyed is sent every month to all respondents on the mailing list. The mailing also includes reporting instructions and, where appropriate, protocols for new studies. The reporting clinicians are asked to tick boxes against any of the reportable conditions they have seen in the preceding