U
SER MANUAL
> U
SE OF THE DEVICE
25 SL650L - Slit lamp microscope > V1 - 10-2021 - CE
3
The
number above the apertures: F14, F16, F18, F21, F25, F30 indicate the aperture size. The larger the number, the
smaller the aperture. When the light is insufficient, a large aperture is required to ensure the brightness of the
picture, apply to the condition such as observing the cornea with slit light. Use a small aperture for greater depth
of field when there is plenty of light, apply to the condition such as use a large spot to observe the eye.
4
The
background light source module provides additional illumination for observing, improving the quality of digital
photography. The background light source has two kinds of LED light source and infrared light source.
6. Operati
on notes
1
During the operation, the operator should first understand the contents of the instruction manual and
master the structure and function of the slit lamp microscope. It is necessary for proper operation and
diagnosis.
2
During the use of the operator, the different scales and different indication marks corresponding to the
various knobs at different positions should be observed clearly, to prevent unnecessary misjudgments
during observations.
3
The operator should adjust the pupil distance and the vision before observing the microscope during the
operation. If the distance and vision are incorrect, there may be a feeling of dizziness.
4
The operator may have a feeling of dizziness if using microscope for a long time during the operation.
Please adjust the observation time according to your personal situation.
5
When the patient is diagnosed with a slit lamp microscope, a beam of slit light is applied to the eye.
If the slit light is too dark, it will affect the observation. If the slit light is too strong, and the observation
last too long, it may affect the patient's vision. If the patient feels uncomfortable, please inform the
operator or actively seek medical attention. Try to avoid illuminating the patient's eyes for a long time
under strong light.
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