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Wallerian degeneration (WD) is the process of demyelination and disintegration of the distal axonal segment following the interruption of the axonal integrity or damage to the neuron. We report a patient having WD of middle cerebellar peduncles due to pontine infarction caused by basilar artery thrombosis. We review the anatomy and discuss the pathogenesis of this condition.

The main aim in ptosis surgery is to achieve a sufficient and symmetric adjustment of the lids. Successful adjustment is possible when consideration is given to preoperative factors and intraoperative findings. Any necessary postoperative readjustment using adjustable sutures or revision surgery in the 1st week can optimize results in some cases. This article reviews the relevant surgical aspects of adjustment. We made a comparative analysis of diagnostic and surgical factors that influence the adjustment of the lid level.

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