Letters
The sight test fee Need for more cautious analysis
BMJ 1994; 309 doi: https://doi.org/10.1136/bmj.309.6965.1370 (Published 19 November 1994) Cite this as: BMJ 1994;309:1370
- J M Gardner
- Department of General Practice, University of Leicester, Leicester General Hospital, Leicester LE5 4PW
EDITOR, - D A H Laidlaw and colleagues describe the effect of the introduction of the sight test fee on the number of referrals to Bristol Eye Hospital.1 They use the numbers of referrals for 1984-8 to predict the expected numbers of referrals in 1989-92. This use of their data would have been appropriate if the introduction of the fee on 1 April 1989 had been made without prior warning. …
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