https://neuro-ophthalmology.stanford.edu/2018/06/teaching-video-neuroimages-alternating-skew-deviation-with-abducting-hypertropia-following-superior-colliculus-infarction/
Teaching Video NeuroImages: Alternating skew deviation with abducting hypertropia following...
teaching videoalternatingskewdeviationhypertropia
https://www.eyenews.uk.com/reviews/journal-reviews/post/single-muscle-surgery-for-hypertropia
Single muscle surgery for hypertropia | Eye News
singlemusclesurgeryhypertropiaeye