Many optometrists are uncomfortable with differentiating and managing incomitant deviations and this article aims improve knowledge and confidence in clinical decision making when presented with these patient cases. The main types of incommitant strabismus are summarised, including what to do when a patient presents with symptoms of various incommitant deviations.

Methods of examination and diagnosis are summarised, emphasising straightforward methods applicable to optometric practice. The article covers detection, diagnosis, and management of incomitant strabismus, which will allow for timely treatment and management of patients.