Indirect ophthalmoscope
Indirect ophthalmoscope: the indirect ophthalmoscope can magnify the fundus by 4.5 times. What you see is an inverted real image with a wide range of sights. It can be seen at 25 ° ～ 60 ° at one time. It has a strong three-dimensional effect, wide depth of field, and detachment from the retina. Lesions such as folds and folds that are not on the same plane of the fundus can be seen at the same time.
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