Refraction adjustment device for fundus camera and fundus camera
An adjustment device and light adjustment technology, applied in the field of medical ophthalmic optical instruments, can solve the problems of small refraction adjustment range, poor adjustment efficiency, complicated operation, etc., and achieve the effect of large refraction adjustment range
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Embodiment 1
[0058] This embodiment provides a refraction adjustment device for a fundus camera, such as figure 1 As shown, it includes: a front lens barrel 1, one end of which is suitable for installing an eyepiece; a rear lens barrel 2, one end of which is fixedly connected to the other end of the front lens barrel 1; a diopter adjustment rear cover 3, one end of which is connected to the rear lens barrel 2 The other end of the refraction adjustment rear cover 3 is movably socketed, and the other end of the refraction adjustment rear cover 3 is suitable for fixedly installing the photographing assembly 4; it also includes a first adjustment device, which is used to adjust the front lens barrel 1 to do axial expansion and contraction, and The rear lens barrel 2 and the refraction adjustment rear cover 3 are driven to act together; the second adjustment device is used to adjust the refraction adjustment rear cover 3 to perform axial expansion and contraction relative to the rear lens barrel...
Embodiment 2
[0073] This embodiment provides a fundus camera, including the refraction adjustment device as described in any one of Embodiment 1.
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