45 degrees (90 degrees measured from the center of the eye)
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The Canon CR-2 AF Digital Non-Mydriatic Retinal Camera features the latest in Canon retinal imaging technology with extensive auto functions. Canon’s own EOS digital camera technology, with its renowned image processing capabilities, has been adapted exclusively for Canon retinal cameras to offer optimal retinal imaging. CR-2 AF can also save space required for setup with its lightweight and compact design, and can be easily transported as needed.
Auto-Focus with Manual Alignment Override
Automatically focuses the eye by partially depressing the joystick, or easily switches to manual focus with a twist of the focus ring.
Automatically captures the image once the eye is properly focused
Automatically measures the volume of infrared light at the retina and adjusts the flash intensity.
Advanced software automatically confirms both correct alignment and focus.
Provides increased image clarity by emphasizing the difference in ‘redness’ and ‘brightness’ of blood vessel structures relative to their surroundings.
45 degrees (90 degrees measured from the center of the eye)
2X digital magnification. This option can also be used to provide an image with a 30 degrees angle.
With the optional mosaic software up to 20 images can be combined, providing wide field imaging.
The image processing that is applied, reduces the gradation of overexposure. Low-intensity sections (macula) are clearly visible, while maintaining the gradation in tone of the high-intensity portion (the optic disc).
With digital red-free, digital cobalt mode, the CR-2 AF extracts each element from the color image. Images are created from the original RAW sensor information.Based on the EOS retina technology and Canon proprietary image processing, it provides image quality- fully comparable with traditional optical filters.
Quick and easy anterior segment photography to document the cornea, pupil, eyelid and sclera.
Use this additional anterior IR photography mode to check the condition of the Meibomian glands – an important factor related to dry-eye conditions. Obtain images of the anterior segment of the eye in non-invasive patient friendly Infrared (IR) light.
Intelligent design with specifically shaped surfaces to act as grip; intuitive handling for quick and efficient image capture. Switches are illuminated for easy operation in darkened rooms.
Besides the shutter release and aligment buttons, it also includes the up and down movement of optical head (powered) and manual focus control.
The extensive auto functions of the CR-2 AF will make the examinations much easier. For patients with ocular opacities, involuntary eye movements, lack of co-operation and small pupils the CR-2 AF also provides full manual control. Manual operation can be crucial to overcome the limitations of fully automatic cameras.
The EOS Retina camera provides optimal retinal imaging. And it is completely integrated with the functions of the retinal camera. A further advantage is that the digital camera body can be exchanged easily in case of upgrading to a newer model or service requirements.
LED technology is used for the observation as well as for the flash, for greater patient comfort, improved reliability and extended life-time.
Ultra low Flash Intensity will reduce patients’ discomfort greatly and essential for photophobic patients. Restriction of pupil is reduced; easy to re-take photos, or to take images of both eyes without waiting.
Software designed to work with all Canon retinal cameras; for capturing, reviewing and reporting. When the camera is used stand-alone, it also functions as database with an archive function.
Extremely intuitive user interface. Clear graphic representation of functions and display of previous studies.
Displays images of the same side eye to compare them. Or select studies from previous dates to monitor progression.
Observation progression: select up to 5 past examinations to see changes over time.
Report screen with extensive software tools: embossing a retinal image, changing gamma value, brightness and contrast, color balance balance, adding annotations and measuring C/D ratio.
EMBOSSÂ can be useful to enhance the topography of the retina in the evaluation of macular degeneration, glaucoma, and retinopathy.
This function will make the blood vessels stand out.
The optic disc stands out.
Inverts the color of an image to assist diagnosis.
Overlay 2 images to see differences and changes in pathology. Selected images are aligned automatically. It can be useful for comparison to see changes, but also the colour image could be overlayed with e.g. a FAF image for additional information.
Add shapes, lines, arrows and comments to a captured image.
Measure the optic nerve papillary area. The C/D can be measured as line or area ratio.
When obtaining retinal images, ocular opacity can cause several problems: the scattering of the light will make the edges of the blood vessels appear blurred, the difference in brightness of the retina will be reduced, making it very difficult to distinguish between structures. Furthermore a cataract eye will cause images to appear more yellow. Canon opacity suppression tool is a unique and sophisticated software tool, that based on the full information from the CMOS sensor of the digital camera, will largely suppress the effect of ocular opacities on color images.
Our retinal cameras can be combined with a Canon OCT, using the same software and sharing the database. Output of both devices can be combined in one report to facilitate a comprehensive analysis.
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