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Maddox wing is an instrument for measuring strabismus (eye misalignment) by dissociating the eyes with septa and arrows. Learn about its indications, equipment, method, interpretation, advantages, disadvantages and considerations.
The Maddox rod test is a subjective method to measure horizontal and vertical deviations of the eyes, using a red line and a white light. The double Maddox rod test can also assess torsion and cyclotropias, by comparing the angles of two red lines.
Esotropia is a condition in which one or both eyes deviate inward, causing a cross-eyed appearance. It can be constant or intermittent, and has different types and causes, such as hyperopia, congenital, or accommodative factors.
Strabismus, also known as crossed eyes or squint, is a condition where the eyes do not point at the same object. It can cause double vision, amblyopia, and psychosocial problems. Learn about the types, causes, diagnosis, and treatment of strabismus.
A cover test is an objective determination of the presence and amount of ocular deviation, such as strabismus or phoria. It involves covering and uncovering one eye while observing the movement of the other eye with a fixation target at different distances.
Prentice's rule is a formula to calculate the amount of prism correction in a lens based on decentration and lens power. It can be used for prescribing, tolerance control, or determining unprescribed prism in eyeglasses.
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601 N High Street,, Columbus, OH · Directions · (614) 745-8101