❖ drsplus needs to be operated in the following environmental conditions:
o Temperature: +10 °C to +35 °C
o Humidity (max): 90% not condensing
❖ drsplus needs to be stored in the following environmental conditions:
o Temperature: -10 °C to +60 °C
o Humidity (max): 90% not condensing
❖ The device must be placed in a room which is not exposed to adverse chemical-
physical conditions, such as the presence of sulfur, salt, dust, direct sunlight, lack
of ventilation, high humidity, sudden temperature drops or peaks. The safety
and/or effectiveness of the instrument cannot be guaranteed if these conditions
are not met.
❖ Provide explanations to patients before placing them in front of the device.
❖ Use the device in dim light, or at least away from direct light. This will facilitate the
natural dilation of the pupil.
❖ The minimum pupil diameter required to obtain good quality images is 2.5 mm.
❖ If the patient does not fix correctly and steadily, the images acquired may relate
to portions of retina that are not what is expected.
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