47
When a manifest asymmetry of the corneal reflexes is detected without cover test the output is:
ET
(esotropia) or
XT
(exotropia).
When an asymmetry of the corneal reflexes appears only under infrared cover test the output is:
EP
(esophoria) or
XP
(exophoria).
If a vertical deviation is present the output follows the same rules above mentioned:
HT
(hypertropia),
IT
(hypotropia),
HP
(hyperphoria),
IP
(hypophoria).
The angle of deviation is expressed in Prismatic Diopters.
The following picture gives a graphical representation of the possible exam outputs:
The corneal reflex is represented on the graph in an inverted position: if the corneal reflex is nasal to
the center, it is represented as temporal in the diagram.
The messages ET, XT, EP, XP, HT, IT, HP, and IP shall not be misunderstood as a diagnosis. The
measurement shall in any case be used to refer the patient to an eye-care professional for further
evaluation.
The default output also shows a value for the
K
angle:
•
Horizontal
K
angle
(labelled as '
kx
'): the output is '+' when the corneal reflex lays nasal to the center
of the pupil, '0' when the corneal reflex coincides with the geometrical center of the pupil, '-' when
the corneal reflex is on the temporal side.
•
Vertical
K
angle
(labelled as '
ky
'): the output is 'S/D' when the corneal reflex of the left eye lays
superior to the corneal reflex of the right eye, 'D/S' in the opposite case. When there is a vertical
disparity inferior or equal to the established threshold, no vertical disparity message is given.
13.3 EMR connection set-up
The EMR connection feature allows to import patient data from an Electronic Medical Record (EMR) system
to the KALEIDOS App and to automatically send the exam results from the KALEIDOS App back to the EMR
system.
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