The Optician Index is designed to provide a snapshot of the UK retail optical market on a monthly basis so trends can be identified quickly. The figures are adjusted to a 25-day working month to make comparison possible. It should be noted that there was a four working day difference between March and April so some practices may have reported lower figures in April than in March but the smaller number of working days has been taken into consideration.
This month our graphs concentrate on dispensing volumes and lens trends over one or three calendar years from April to April and, where shown, the dashed linear trend lines show the current trend, taking into account the range of data included in the chart, rather than any historic values.
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