Laser scanning ophthalmoscope

Abstract

The invention is directed to a laser scanning ophthalmoscope for viewing the ocular fundus of the eye of a patient. A laser source generates a laser beam and a first scanner imparts an oscillatory deflection to the laser beam in a first direction. A second scanner imparts an oscillatory deflection to the laser beam in a second direction and transmits the oscillating laser beam toward the ocular fundus. At least a portion of the light of the laser beam is reflected from the ocular fundus and a detector detects the reflected light. A display displays an image defined by the light reflected from the ocular fundus and a control is connected to the display for selecting a sectional image of the image and the sectional image corresponds to a subregion of the ocular fundus. A drive motor pivotally moves at least one of the first and second scanners and a drive unit controls the drive motor. An interface connects the control to the drive unit.

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