Changes in refractive error are most common when strabismus surgery is performed on 2 rectus muscles of an eye. An induced astigmatism of low magnitude usually resolves within a few months. Surgery on the oblique muscles can change the axis of preexisting astigmatism.
Figure 14-8 Superotemporal segmental anterior segment ischemia after simultaneous superior rectus muscle and lateral rectus muscle surgery following a scleral buckling procedure.
Figure 14-9 Patient treated for left hypertropia by recession of the right inferior rectus muscle, which pulled the right lower eyelid down, and resection of the left inferior rectus muscle, which pulled the left lower eyelid up.
Excerpted from BCSC 2020-2021 series: Section 10 - Glaucoma. For more information and to purchase the entire series, please visit https://www.aao.org/bcsc.