VON GRAEFE TEST: The Von Graefe phoria test is a common clinical method to measure heterophoria (a latent eye turn) by using prisms to dissociate the eyes and have the patient align two separate images. HOW IT WORKS: Setup: The patient looks at a fixation target through a phoropter or trial frame at a specific distance (e.g., 6 meters for distance, 40 cm for near). Prism placement: A vertical prism (like a 12Δ base-up) is placed before one eye to vertically separate the images. A horizontal pris

Eye Movement Disorders

Supranuclear Eye movement disorders - SlideServe

Specialized Orthoptics Department @ Narayana Nethralaya: Expert Care for Eye Movement Disorders Orthoptics is a dedicated branch of eye care that focuses on the evaluation and non-surgical management of eye movement disorders, binocular vision anomalies, and problems related to eye coordination. Conditions like strabismus (eye misalignment), amblyopia (lazy eye), diplopia (double vision), and convergence insufficiency often require specialized assessment and therapy. At Narayana Nethralaya, we h