I read with interest the article by Chan et al 1 in which the authors report on medium-term ocular findings in patients who previously underwent unilateral neck dissection with adjuvant radiotherapy. They found no case of elevated intraocular pressure (IOP), reduced peripapillary retinal nerve fibre layer thickness (RNFLT), increased cup to disc ratio or any other ocular abnormalities on either eye, and conclude that unilateral internal jugular vein dissection is not a risk factor for secondary IOP elevation and RNFLT thinning. Though the study is well conducted and the authors indicate the limitations of their work in …