visuscope

vis·u·scope

(viz'yū-skōp), A modified ophthalmoscope that projects a black star on the patient's fundus.

Visuscope

A modified ophthalmoscope containing a small graticule target for the measurement of eccentric fixation. The examiner projects a shadow of the target on the patient's retina. The patient is asked to look at the centre of the target. The position of the foveal reflex relative to the centre of the graticule target indicates whether the patient has eccentric fixation and in which direction and by how much. A modified version is the Euthyscope, in which the graticule target consists of black spots rather than a star and concentric circles as in the Visuscope. The Euthyscope is used more for eccentric fixation therapy. See pleoptics.

单词	visuscope
释义	visuscope vis·u·scope (viz'yū-skōp), A modified ophthalmoscope that projects a black star on the patient's fundus. Visuscope A modified ophthalmoscope containing a small graticule target for the measurement of eccentric fixation. The examiner projects a shadow of the target on the patient's retina. The patient is asked to look at the centre of the target. The position of the foveal reflex relative to the centre of the graticule target indicates whether the patient has eccentric fixation and in which direction and by how much. A modified version is the Euthyscope, in which the graticule target consists of black spots rather than a star and concentric circles as in the Visuscope. The Euthyscope is used more for eccentric fixation therapy. See pleoptics.
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