The 2 eyes can have equal vision, or amblyopia can be present. Versions and ductions may be normal, or overelevation in adduction or dissociated strabismus complex (discussed in Chapter 11) may be present. The examiner should measure the deviation using an accommodative target at distance and at near. Alternate cover testing at the initial examination typically reveals an intermittent comitant esotropia that is larger at near than at distance.
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.