An increase in the demand by local surgeons for neuromuscular block during strabismus surgery, and the forced duction test in particular, led us to review the literature and conduct a regional survey of anaesthetic techniques used. A questionnaire was distributed to 379 anaesthetists in the region and 264 responses were received. The results demonstrated that 55% of paediatric patients and 66% of adult patients may have been operated on under suboptimal conditions; residual tone may have been present in the extraocular muscles during forced duction testing and strabismus correction.
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