Surgical stereomicroscope

Details Surgical stereomicroscope Surgical stereomicroscope

1986-02-28

1987-12-01

Arnold, Bruce Y.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351205, G02B 2122, A61B 310

Patent

active

047100001

ABSTRACT:
A stereomicroscope for use in performing surgeries, in particular eye surgeries, which has a collecting lens common to both beam paths and has for each beam path an objective and an ocular tube with two reversing prisms with adjustable interocular distance, which ocular tubes form a telescope. In order to produce, at an angled beam path with the help of the panorama funduscopy, an upright and unreversed image, between the objective (7) and the ocular tubes (11, 12) which contain the telescope is provided a double-refracting, reflecting system (4, 19, 20) which delivers a turned, unreflected image and covers both beam paths, which system is arranged in the stereomicroscope so that same can be exchanged with a 90.degree. prism which is constructed with the same optical path length and covers both beam paths.

REFERENCES:
patent: 2119545 (1938-06-01), Kaspereit
patent: 3405990 (1968-10-01), Nothnagle et al.

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