초록 ▼

An ocular fundus imager automatically aligns fundus illuminating rays to enter the pupil and to prevent corneal reflections from obscuring the fundus image produced. Focusing the produced fundus image is automatically performed and is based upon the fundus image itself. A head restraint for the pati

An ocular fundus imager automatically aligns fundus illuminating rays to enter the pupil and to prevent corneal reflections from obscuring the fundus image produced. Focusing the produced fundus image is automatically performed and is based upon the fundus image itself. A head restraint for the patient undergoing examination is in the form of a pair of spectacles which is not only easy to use accurately but significantly reduces the gross alignment between the optical system and the patient's pupil.

대표청구항 ▼

[ I claim:] [1.]1. Apparatus for imaging the ocular fundus, said apparatus comprising in combination:a) a source of illumination for illuminating at least a section of the ocular fundus of a patient;b) means for directing the illumination along an optical axis to enter the pupil of the patient;c) a

[ I claim:] [1.]1. Apparatus for imaging the ocular fundus, said apparatus comprising in combination:a) a source of illumination for illuminating at least a section of the ocular fundus of a patient;b) means for directing the illumination along an optical axis to enter the pupil of the patient;c) a video sensor responsive to an image reflected from the eye of the patient for depicting the alignment of the optical axis with the pupil of the patient;d) positioning means for aligning the optical axis in response to the depicted alignment;e) a focusing assembly for focusing the image of the ocular fundus as a function of the image itself; andf) a further video sensor for recording the focused image.