The British journal of ophthalmology
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Randomized Controlled Trial Clinical Trial
Entonox as an analgesic agent during panretinal photocoagulation.
Panretinal photocoagulation (PRP) reduces the risk of visual loss in proliferative diabetic retinopathy but some patients cannot tolerate PRP because of pain. Inhaled Entonox was evaluated as an analgesic during PRP. ⋯ Entonox can be used as a safe and effective analgesic agent during PRP treatment.