Complications with BoNT use in ophthalmology crop up on account of toxin diffusion or inadvertent placement into the adjacent muscles. Ptosis on the eyelid is the commonest complication of BoNT treatment of strabismus and blepharospasms.23 Whilst this influence is nearly always short-term and self-resolving, apraclonidine 0.5% (Iopidine) or phenyle