Refraction Essentials

Sterile strips impregnated with sodium fluorescein

Enables the compensation (or otherwise) of
heterophoria to be established between 2 and 6 metres with Polaroid visor

Near vision test for diagnosing heterophoria, esophora, exophoria, hyperphoria and cyclophoria

Marked with a tangent scale covering 30 degrees in 5-degree steps. Dissociation is by use of a standard pair of Diplopia Goggles and
the patient’s responses are confirmed by a torch