65 results about "Slit Lamp Microscopy" patented technology

A laser slit lamp comprising a slit lamp base, a slit lamp head and a slit lamp microscope. The laser slit lamp is connected with an applicator. It comprises a device for uniting radiation from at least two radiation sources collinearly and for directing the radiation of a treatment beam or working beam onto the location to be treated in or on the eye of a patient, a device for generating a target beam or marking beam for targeting and observing the location to be treated in or on the eye, and an adjusting device in the applicator for changing the intensity and diameter of the working beam spot used for treatment. The radiation sources are laser radiation sources arranged in the slit lamp head, in the slit lamp base or in the slit lamp microscope for generating the working beam, illumination beam and/or target beam. Devices for control, regulation and monitoring are likewise arranged in the interior of the slit lamp.

The invention relates to a medical examination device, in particular to an ophthalmic slit lamp microscope. The slit lamp microscope is provided with a base on which a slit lamp assembly, an objective assembly and an eyepiece assembly are arranged, wherein the slit lamp assembly comprises a light source above which a slit seat bottom bracket is arranged, a slit seat is arranged in the slit seat bottom bracket, the upper surface of the slit seat is provided with a diaphragm disc on which at least two diaphragm sheets are arranged, and the diaphragm disc is rotatablely connected with the slit seat. The slit lamp microscope adopts the rotary diaphragm disc on which the diaphragm sheets with different diameters are arranged for adjusting the facula size, and has the characteristics of clear ocular optic section, high brightness, light weight, portability and simple operation.

A new and improved slit lamp microscope table with a front recess of suitable size to accommodate the torso of the occupant of a wheel chair or an obese individual. With the table set at an appropriate elevation, the handicapped individual can move his or her wheel chair to the vicinity of the table. The wheel chair is rolled toward the table until the user is located with his or her torso in the recess. Once the patient is in position, the table can be lowered to the point at which the arm rests of the table come into contact with the arms on the wheel chair and more positively hold the table and wheel chair in the desired relation.

An ophthalmic monocular handheld digital microscope with a slit lamp mainly resolves problems that a slit light spot size adjusting mechanism of an existing monocular handheld microscope with a slit lamp is complex, and processing and assembly are inconvenient. The ophthalmic monocular handheld digital microscope is characterized in that at least one pin (6) is fixed on the outer wall of a projecting mirror (8), a strip-shaped guiding groove (17) is axially arranged on a side wall of a fixing sleeve (12), a first adjusting knob (18) is disposed outside the fixing sleeve (12), a spiral groove (19) is arranged on the inner wall of the first adjusting knob (18), each pin (16) penetrates through the guiding groove (17), and an end of each pin (16) is placed in the spiral groove (19) of the first adjusting knob (18). The ophthalmic monocular handheld digital microscope has the advantages of light weight, simple structure and convenience in adjustment of sizes of slit light spots, further can record digital images, can adjust the directions of the slit light spots and switch different filter discs, and can be flexibly and conveniently used by doctors.

The invention discloses a microscope optical adapter system. A microscope is a surgical or slit-lamp microscope. The optical adapter system comprises a body shell and a lens group, the two ends of thebody shell are connected with a spectroscopic device of the microscope and a digital photography device, and the digital photography device is a common mobile phone or tablet computer. The lens groupis arranged in the body shell, and comprises a first lens group for converging the outgoing light of the spectroscopic device into a real image and a second lens group for imaging the real image to the digital photography device and located at the least significant end of the lens group. The exit pupil of the lens group is located behind the second lens group, and the distance between the exit pupil and the vertex of the rear optical surface of the lens at least significant end of the second lens group is no more than 30mm. The microscope optical adapter system can connect the spectroscopic device of the microscope and take pictures without affecting the operation of doctors in the use process, and the shooting vision is clear, convenient and fast; and the microscope optical adapter system is suitable for devices with miniature cameras, electronic zoom is not required, and professional requirements of the devices are low.

The invention provides a method for detecting a vascularization degree of the surface of a filtering bleb based on ophthalmic slit lamp photographing. Based on a slit lamp microscope photographing system wide in clinic application, quantification indexes for evaluating blood vessels on the surface of the filtering bleb are provided, the degree of the blood vessels on the surface of the filtering bleb is reflected by a filtering bleb blood vessel area index and a filtering bleb hyperemia index, a vascularization degree objective evaluation method for the surface of filtering bleb is established, and the inflammation state of the filtering bleb is reflected.

The invention provides a device for testing the color rendering performance of an eye ground laser therapeutic instrument lighting system, and mainly aims to solve the problems that in the prior art, when the color rendering performance of the eye ground laser therapeutic instrument lighting system is tested, steps are complex and efficiency is low. The device is characterized in that a laser therapeutic instrument lighting system simple assembly is fixedly connected with a CCD image acquisition assembly or a fiber optical spectrometer acquisition and processing assembly, optical filters comprise the first optical filter and the second optical filter, the first optical filter is located between a right angle reflecting prism and a slit lamp microscope objective lens and perpendicular to the direction of the slit lamp microscope objective lens, and the second optical filter is arranged between the right angle reflecting prism and a model eye device. The slit lamp microscope objective lens, the first optical filter, the right angle reflecting prism, the second optical filter and the model eye device are located in a same optical path. The device for testing the color rendering performance of the eye ground laser therapeutic instrument lighting system can qualitatively and quantitatively test the color rendering performance of the eye ground laser therapeutic instrument lighting system respectively, and the system is simple and compact in structure and convenient and quick to assemble.

An eye examination device including eye examination optics for examining a patient's eyes. A chin rest assembly accepts the patient's head and maintains the patient's head in a fixed stable position. The chin rest assembly can comprise two spaced apart upright posts for securing to a table, with a forehead rest member being secured to the two upright posts at an upper end, and a chin rest member being secured to the two upright posts below the forehead rest member. The chin rest member can have a chin rest portion which extends forwardly relative to an upright plane extending between centers of the two upright posts and away from the eye examination optics, so that generally only a front of the patient's face coincides with the upright plane when the patient's head engages the chin rest portion.

Apparatus and methods for subjecting a patient to an slit lamp microscopy and/or Goldmann tonometry eye examination are disclosed herein. In some embodiments, the patient is in a side-lying down position at a time of the examination. In some embodiments, it is possible to examine an upper and/or lower eye—for example, a lower eye slightly above a supporting surface. Related apparatus are disclosed herein. In some embodiments, the apparatus includes a bed and/or a headrest and/or a face immobilization assembly are disclosed herein.

A patient examination assembly comprises a rotatable stand adapted to mount a slit lamp microscope, and a phoropter attached to the stand by a telescoping arm assembly, comprising an arm and a connector, and the connector comprises a first link and a second link. The first link is telescopeable within the second link.

The present invention discloses one kind of light source device for slit lamp microscope. The light source device contains a lighter, and condensing lens set, slit, diaphragm and projecting lens set in the light path of the lighter. The lighter is one multiple die LED with red light emitting LED die, blue light emitting LED die and green light emitting LED die. The light source device has simple structure, convenient operation, rich light colors, high light homogeneity and high color stability, and can result in improved diagnosis quality.

Provided is a slit lamp microscope capable of controlling irradiation of slit light and background illumination light interlockingly. Embodiment includes a main illumination system, background illumination system, observation system and controller. The main illumination system includes a first light source unit that outputs first light and slit forming unit that forms a slit with changeable width, and illuminates an eye with the first light having passed through the slit. The background illumination system includes a second light source unit that outputs second light, and illuminates a peripheral area of an eye area irradiated with the first light. The observation system includes an eyepiece lens, imaging device, and group of optical elements that guides reflected light of the first light and reflected light of the second light from the eye to the eyepiece lens and imaging device. The controller interlockingly controls the main illumination system and second light source unit.

An adapter is disclosed for ophthalmologic equipment for the defined connection and positioning of a laser link on the housing of different slit lamp microscopes . The adapter comprises a base body, on the one end of which a fastening device is provided for fastening it to the housing of a slit lamp microscope in a manner that is positionally aligned, releasable and has no play, and on the other end of which contiguous to the laser link a first device of coupling or coupling elements and/or position securing elements are provided for coupling the laser link to the housing of a slit lamp microscope in a manner that is positionally aligned, releasable and has no play. This first coupling device can be engaged in a rigid operative connection with a matching complementary second coupling device of the laser link.