79 results about "Ophthalmological equipment" patented technology

An OCT appliance (optical coherence tomography appliance) comprises an OCT module and a camera for observing the fundus of an eye. By recognizing characteristic features (biometric features), the means defining the region observed by the OCT module, in particular the scanner of the OCT module, is adjusted so that a predefined region of interest is imaged by the OCT module. In preferred embodiments, the apparatus is apt to be operated by a patient himself, and the data are transferred to a clinical server so that a more frequent, hence closer observation of the eyes of the patient is possible.

There is disclosed an ophthalmic apparatus including a detection unit which detects a vision fixation state of an eye to be examined, a projection unit which projects a fixation mark onto a fundus of the eye, and a fixation mark control unit which controls the projection unit. The projection unit includes a changing unit which changes a fixation mark to be projected onto the fundus, and when a vision fixation state detected by the detection unit does not satisfy a predetermined criterion, the fixation mark control unit controls the changing unit to change a fixation mark to be projected onto the fundus.

The invention relates to a method of determining and selecting a contact lens with an opthalmological device for examining the eyes, the opthalmological device comprising a keratometer and an autorefractometer as well as a data processor, whereby a refractive power of an eye and a topography of a cornea are determined, whereby refraction data describing a refraction of an eye to be examined are obtained, whereby topographic data describing the topography of the cornea of the eye are obtained, and whereby, by using the obtained refraction and topography data, contact lens data are calculated and a contact lens is selected from a database of the opthalmological device. In accordance with an apparatus embodiment of the invention, an opthalmological device for carrying out the method is also described.

An ophthalmological apparatus includes an optical system, a display device, a subject's eye position acquisition processor, and a control processor that acquires information on positional displacement of the optical system for inspection with respect to the subject's eye on the basis of the three-dimensional position to allow an alignment index image for performing alignment of the optical system for inspection with respect to the subject's eye in accordance with the information on positional displacement to be displayed in a screen of the display device in a pseudo manner, where the control processor has a plurality of display modes, in each of which the alignment index image is displayed in a different display form to allow the alignment index image to be displayed in the screen of the display device in a display mode selected from the plurality of display modes in a pseudo manner.

The present invention provides an opthalmologic apparatus that can noninvasively measure the state of the lacrimal layer formed on the cornea surface and that can quantitatively measure the state of the lacrimal layer without utilizing a reflection image from the retina.The opthalmologic apparatus according to the present invention comprises an optical projection system for projecting light of a specified pattern onto a cornea surface, and an imaging device for photographing a reflection image of the projected light from the cornea surface. An operating unit calculates the degree of distortion of the reflection image on the basis of the density value distribution of the image photographed by the imaging device. The operating unit can determine the state of the lacrimal layer using the calculated degree of distortion.

The present invention provides an ophthalmological apparatus capable of displaying a plurality of fundus tomographic images. A photographing apparatus includes a fundus imaging unit adapted to capture a fundus image of a subject's eye, a scanning unit adapted to scan a desired position of the fundus of the subject's eye to capture tomographic images of the subject's eye, a measuring unit adapted to measure movement amounts of the fundus of the subject's eye by performing pattern matching between a plurality of feature points in the acquired fundus image and feature points in another fundus image newly acquired at a different time, and a control unit adapted to control the scanning unit based on the measured movement amounts.

An ophthalmologic apparatus includes an ophthalmologic apparatus configured to acquire unique information of a subject's eye, an acquisition unit configured to acquire a value indicating brightness of surroundings of the ophthalmologic apparatus, and a recording unit configured to record in a storing unit a value indicating brightness acquired by the acquisition unit, associated with a tomographic image.

An ophthalmologic apparatus includes an aberration measurement unit configured to measure aberration caused by a subject's eye by using a return beam of a first measuring beam from the subject's eye, a correction unit configured to correct aberration of a return beam of a second measuring beam from the subject's eye caused by the subject's eye based on the aberration measured by the aberration measurement unit, a first acquisition unit configured to obtain a first image of the subject's eye by using the aberration-corrected return beam of the second measuring beam from the subject's eye, and a control unit configured to enter one of the first measuring beam and the second measuring beam into the subject's eye while limiting entry of the other measuring beams into the subject's eye.

An ophthalmic apparatus comprises an imaging unit which images a fundus of an eye to be examined; a calculation unit which calculates a displacement of an imaging position of the imaging unit between fundus images captured by the imaging unit; and a display control unit which causes a display unit to display a fundus image captured by the imaging unit and a region of interest so as to locate the region of interest at a predetermined position on the fundus image based on the displacement calculated by the calculation unit.

The present invention relates to an ophthalmic device designed to ease the use of eye drop dispensers. It is one ophthalmic device but can be thought of as consisting of two parts: the nose bridge (11), which rests on the user's nose and the body (19), which connects to the eye drop dispenser. The body is flat and comes off of the nose bridge at an angle, allowing the eye drop dispenser to point toward the eye. The body attaches to the eye drop dispenser by Velcro (18), adhesive tape, strap, or any other measure to adhere two things together. This allows the ophthalmic device to work with any type of eye drop dispenser. Together, the nose bridge and the body, allow the user to securely and easily administer an eye drop to the medial part of their eye.

A packaging system for storing ophthalmic devices such as contact lenses and methods for packaging such ophthalmic devices with solutions is disclosed. The packaging system contains an unused, ophthalmic device in an aqueous packaging solution comprising tris(hydroxymethyl)aminomethane or a salt thereof; wherein the solution has an osmolality of at least about 200 mOsm / kg and a pH in the range of about 6 to about 9.

An ophthalmologic apparatus measures a dimension of an eye to be examined. The ophthalmologic apparatus includes a light source, an incidence member, an acquisition unit, and a display unit. The incidence member causes light from the light source to be incident on a plurality of different positions in the eye to be examined The acquisition unit acquires a two-dimensional tomographic image of an interior of the eye to be examined on the basis of a plurality of interference signals acquired as a result of the incidence member causing the incidence of light on the plurality of different positions. The display unit displays the acquired two-dimensional tomographic image.

Disclosed are high refractive index, hydrophobic, acrylic materials. These materials have both high refractive index and a high Abbe number. This combination means the materials have a low refractive index dispersion and thus are especially suitable for use as intraocular lens materials. The materials are also suitable for use in other implantable ophthalmic devices, such as keratoprostheses, corneal rings, corneal implants, and corneal inlays.

The invention relates to the technical field of ophthalmic equipment, and discloses 650-nm light-supplementing glasses. The 650-nm light-supplementing glasses comprise a glasses box, wherein glasses supports are movably hinged with both the left and right sides of the glasses box, and red filter glass is embedded into the front surface of the glasses box. According to the 650-nm light-supplementing glasses, two 650-nm lasers are started through a control panel, at the time, laser beams of the 650-nm lasers travel towards diffuse reflectors, when the laser beams go through the red filter glass,filtered red light can treat eyes, when the 650-nm laser beams enter the eyes, part of laser energy irradiates eyeballs, 650-nm laser is at a hemoglobin spectrum absorption peak, and can be absorbedby hemoglobin, blood circulation is promoted, the oxygen supply capability of the eyeballs is improved, improvement of vision of the eyeballs is facilitated, under long-term treatment, axial elongation can be effectively inhibited, thus vision of the eyes is improved, and occurrence and development of shortsightedness are inhibited, so that the probability of shortsightedness is reduced.

There is provided an ophthalmologic apparatus which is easily operated. In the ophthalmologic apparatus, during measurement using an eye examination portion for measuring an optical characteristic of an eye to be examined, the eye examination portion is moved relative to the eye to be examined in up / down and left / right directions by manual input. Then, the eye examination portion is moved relative to the eye to be examined in a forward / backward direction by automatic control.

An ophthalmological apparatus includes a photographing mode selection processor that selects any one of a plurality of photographing modes including a color photographing mode and a fluorescent photographing mode, a photographic optical system that photographs a subject's eye in a photographing mode selected by the photographing mode selection processor, a vision fixation optical system including a vision fixation target display that displays a vision fixation target, the vision fixation optical system projecting an image of the vision fixation target displayed in the vision fixation target display on the subject's eye, and a control processor that changes an amount of light of the vision fixation target in accordance with the photographing mode selected by the photographing mode selection processor.

An ophthalmic system including an ophthalmic apparatus for acquiring an image of an anterior portion of a subject's eye and a tomographic image of the subject's eye includes a display control unit configured to cause a display unit to display the image of the anterior eye portion and the tomographic image, and an instruction unit configured to, if a pointer which indicates a point on the display unit is on the image of the anterior eye portion, give an instruction to change a distance between the subject's eye and the ophthalmic apparatus, and if the pointer is on the tomographic image, give an instruction to change the position of a coherence gate.

According to the present invention, there is provided an ophthalmologic apparatus in which identifying power for the index or an index indicating state is improved to eliminate the confusion of a person to be examined, so that an eye examination time period can be shortened and the reliability of an eye examination can be improved. The ophthalmologic apparatus includes an index plate that displays an index, an index projecting optical system that projects the index to an eye to be examined, a variable cross cylinder that produces a pair of index indicating states of the index used for a cross cylinder test, a lamp and a liquid crystal screen that generate identifiers serving as identification information, and a dichroic mirror that combines the identifiers with the pair of index indicating states to be indicated to the eye to be examined.

The invention provides ophthalmological equipment and a diaphragm system, and belongs to the field of ophthalmological instrument. The diaphragm system comprises a light source, a light beam generating mechanism, an image collector and a driving mechanism, the light source is used for emitting infrared light, the light beam generating mechanism comprises a plurality of light-penetrating areas and used for separating the infrared light into a plurality of light beams, the image collector is used for collecting images of a plurality of faculae formed by the infrared light beams on a retina of a patient, and the driving mechanism is used for driving the light-penetrating areas to move along a direction perpendicular to an optical axis so as to change positions of the light-penetrating areas. The light beam generating mechanism is an LCD (liquid crystal display) screen which is provided with a plurality of the light-penetrating areas allowing the infrared light to penetrate. The ophthalmological equipment and the diaphragm system have the advantages that even though the position of an eye ball of the patient changes during inspection, at least one detecting position can always exist in the light-penetrating areas, and under the detecting position, the image collector can collect all faculae completely, so that data obtained from fitting are accurate.

The invention relates to the technical field of ophthalmic equipment, and particularly relates to an ophthalmic clinical optimized drug delivery device. The device comprises a bottom plate, wherein telescopic rods are fixedly connected to the four corners of the top of the bottom plate; a supporting plate is fixedly connected to the tops of the four telescopic rods; an adjusting structure is fixedly connected to the middle of the top of the bottom plate; the top of the adjusting structure is fixedly connected with the bottom of the supporting plate; convex sliding grooves are formed in the left side and the right side of the top of the supporting plate; convex sliding blocks are slidably connected into the convex sliding grooves; clamping plates are fixedly connected to the tops of the twoconvex sliding blocks; a pillow block is fixedly connected to the front side of the top of the supporting plate; and the front end of the pillow block is slidably matched with the rear ends of the two clamping plates. The height of the device can be adjusted, the working intensity of a doctor is reduced, the head of a patient can be fixed, drugs can be accurately sprayed to the affected part, thetreatment effect is improved, the treatment working efficiency is improved, and the use practicability of the device is improved.

An ophthalmic imaging apparatus which obtains a tomographic image of an eye to be examined based on light obtained by combining return light from the eye irradiated with measurement light with reference light corresponding to the measurement light, the apparatus comprising: a scanning unit configured to scan the measurement light on the eye; and a control unit configured to control the number of times of scanning by the scanning unit in accordance with a scanning position of the scanning unit on the eye.

Described herein does a sterile protective cover comprise an intracameral therapeutic agent delivery device in the form of a pen-injector comprising a cartridge container for dispensing multiple doses of a medicament, coupled to an actuation assembly within a housing. A needle assembly is coupled to the distal end of the cartridge container, provided with a removable cap received within the housing will be in optional pre-sterile or no-sterile condition. Use of such device for the prevention or treatment of ocular conditions or diseases is also disclosed. A sterile protective cover comprising ophthalmic device, wherein the sterile protective cover is made of plastic, polythene, polyethylene, resin, rubber, polystyrene, polypropylene, polycarbonate, nylon, or combination thereof. More, particularly the present invention relates to a novel ophthalmic device of reduced length and diameter in the form of a pen-injector for precise and controlled delivery of different doses of a therapeutic agent by introducing a unique “Pen grip “for the device. The present invention also depicts a novel ophthalmic device comprising a multimode power on-off button that would also work with a “Pulse mode” to deliver a fixed quantity of medicament and also double up as a speed control to control the rate of injection and might be used with dermal filler.

An ophthalmic analysis apparatus for analyzing OCT motion contrast (MC) image data of a subject's eye acquired using an OCT apparatus for ophthalmology includes analysis process means for analyzing the OCT MC image data, in which the analysis process means generates OCT blood vessel change data including temporal change information in relation to a blood vessel region of the subject's eye based on first OCT MC image data and second OCT MC image data acquired at mutually different times.

The ophthalmic apparatus is aligned to an eye to be examined. The apparatus is used to examine the eye. It has two or more infrared or near infrared light sources for emitting light beams and a detector sensitive to infrared or near-infrared light with the capability of detecting the light reflected from the examinee's face. It registers the examination result of the eye examined. The ophthalmic apparatus is aligned to an eye to be examined. The light beam of one infrared or near infrared light source is directed to the face. The light beam of another infrared or near infrared light source is directed to pass the examinee. The direction of the light reflected from the examinee's face is detected and the examination result and the examined eye are registered to know whether the examined eye was the right eye or the left eye

An ophthalmic apparatus comprising: an illumination optical system including a light source and configured to illuminate an eye to be examined; an imaging optical system including an image sensor and configured to image the eye illuminated by the illumination optical system; an optical member insertion / removal unit configured to insert / remove an optical member in / from at least one of optical paths in the illumination optical system and the imaging optical system; and a notification unit configured to notify an insertion / removal state of the optical member with respect to the optical path based on a signal output from the image sensor in synchronism with insertion / removal of the optical member in / from the optical path.

Disclosed are high refractive index, hydrophobic, acrylic materials. These materials have both high refractive index and a high Abbe number. This combination means the materials have a low refractive index dispersion and thus are especially suitable for use as intraocular lens materials. The materials are also suitable for use in other implantable ophthalmic devices, such as keratoprostheses, corneal rings, corneal implants, and corneal inlays.