Abstract
Diplopia is an often frustrating and debilitating symptom of acquired strabismus in adulthood. Various nonsurgical approaches to alleviate diplopia are available and readily employed by orthoptists. First, a comprehensive review of the patient's history and symptoms is helpful in determining treatment. In some cases, a cycloplegic refraction and proper refractive correction alone can eliminate diplopia. Prisms, including Fresnel prisms and ground-in prism lenses, are an optical solution for diplopia in many instances of horizontal and/or vertical strabismus. In some cases, diplopia may be intractable and monocular occlusion may be the only option for visual comfort.