Specacle Device With An Adjustable Field Of View And Method
The invention relates to a spectacle device ( 1 ) for capturing at least one parameter of at least one eye ( 10 l , 10 r ) of a test person ( 31 ) wearing the spectacle device ( 1 ), the spectacle device ( 1 ) comprising a frame ( 4 ) configured to fix the spectacle device ( 1 ) to the head of the test person ( 31 ), at least one first capturing unit ( 3 l , 3 r ) configured to optically capture the at least one parameter of the at least one eye ( 10 l , 10 r ), and a second capturing unit ( 2 ) the optical capture range of which at least partly corresponds to an optical capture range of the at least one eye ( 10 l , 10 r ) and which is configured to output data concerning a field of view (FOV 1 , FOV 2 ) which is correlated with the optical capture range of the second capturing unit ( 2 ), wherein the field of view (FOV 1 , FOV 2 ) is adjustable.
1 . A spectacle device for capturing at least one parameter of at least one eye of a test person wearing the spectacle device ( 1 ), the spectacle device comprising a frame configured to fix the spectacle device to the head of the test person, at least one first capturing unit configured to optically capture the at least one parameter of the at least one eye, and a second capturing unit the optical capture range of which at least partly corresponds to an optical capture range of the at least one eye and which is configured to output data concerning a field of view which is correlated with the optical capture range of the second capturing unit,
characterized in that
the field of view is adjustable.
2 . The spectacle device according to claim 1 ,
characterized in that
the field of view is automatically adjustable in dependency on the at least one captured parameter of the at least one eye.
3 . The spectacle device according to claim 1 ,
characterized in that
the field of view is manually adjustable, in particular by the test person or an operator.
4 . The spectacle device according to claim 1 ,
characterized in that
the second capturing unit is arranged tiltable and/or rotatable within the frame, in particular rotatable about its optical axis, and in that the field of view is adjustable by a tilting or rotating of the second capturing unit.
5 . The spectacle device according to claim 1 ,
characterized by
an optical element, in particular a prism and/or a lens, rotatably arranged on the optical axis of the second capturing unit, wherein by a rotation of the optical element the field of view is adjustable.
6 . The spectacle device according to claim 1 ,
characterized in that
the second capturing unit comprises at least two sub-units of the capturing unit which differ with regard to their respective field of view and in that the field of view of the second capturing unit is adjustable due to the data captured by the sub-units of the capturing unit being separately analyzable and/or due to the sub-units of the capturing unit being separately controllable.
7 . The spectacle device according to claim 1 ,
characterized in that
the second capturing unit comprises at least one two-field lens and/or at least one progressive multi-focal lens and/or at least one prism and/or at least one free-form lens, in particular a conical mirror.
8 . The spectacle device according to claim 1 ,
characterized in that
the second capturing unit comprises a detector with a pixel array and the adjusting of the field of view is effected by selection of the pixels the data of which are captured.
9 . The spectacle device according to claim 1 ,
characterized in that
the at least one captured parameter concerns an orientation and/or a position and/or an eyelid closure and/or a pupil diameter and/or limbus characteristic and/or a sclera characteristic and/or an iris characteristic and/or a characteristic of a blood vessel and/or a cornea characteristic of the at least one eye.
10 . The spectacle device according to claim 1 ,
characterized in that
the second capturing unit is integrally connected to the frame and/or structurally integrated in the frame.
11 . The spectacle device according to claim 1 ,
characterized in that
the frame comprises at least a first and a second frame element, wherein the second capturing unit is attached to the second frame element, and wherein the second frame element is pivotably hinged to the first frame element, and wherein the first frame element is formed in particular as an arm.
12 . A method for capturing at least one parameter of at least one eye of a test person by means of a spectacle device, the method comprising:
optically capturing the at least one parameter of the at least one eye by means of at least one first capturing unit;
capturing an optical capturing range by means of a second capturing unit, wherein this optical capturing range corresponds at least partly to an optical capturing range of the at least one eye;
outputting data concerning a field of view by the second capturing unit, wherein the field of view is correlated with the optical capturing range of the second capturing unit,
characterized by the following:
adjusting the field of view by means of an adjustment means of the spectacle device.
13 . The method according to claim 12 ,
characterized in that
the field of view is automatically adjusted in dependency on the at least one captured parameter of the at least one eye.
14 . The method according to claim 12 ,
characterized in that
the field of view is automatically adjusted in dependency on data concerning the kind of an object captured by the second capturing unit and/or a characteristic of the object and/or a distance of the object from the second capturing unit and/or an orientation of the object relative to the second capturing unit.
15 . The method according to claim 12 ,
characterized in that
the field of view is adjusted in such a way that by the set of the adjustable field of views a resulting field of view is covered that essentially corresponds to the physiological field of view of a human being.