The NIDEK Optical Coherence Tomography RS-3000 Advance is an ophthalmic camera that allows non-invasive and non-contact observation of the shape of the fundus or retina. Fundus surface images (hereafter referred to as SLO image) are captured with the confocal laser scanning using a near-infrared light source with a wavelength of 785 nm. Cross-sectional images of the retina (hereafter referred to as OCT image) are captured with the optical interferometer using an infrared light source with a wavelength of 880 nm. With the images captured using the RS-3000 Advance, the shape and structure of the fundus or retina can be observed, and diseases can be observed. This system is comprised of the main body for capturing images, a computer (hereafter called PC) for storing and analyzing captured images, PC monitor, and an isolation transformer.In addition, the image filing software NAVIS-EX (hereafter referred to as NAVIS-EX) offers the following features:• Image analysis functions such as 3D/map color display or retinal thickness analysis• Networking for data review or analysis on PCs in separate locations
A mains electricity (AC-powered), hand-held, ophthalmic instrument designed to examine the interior of the eye allowing the examiner to clearly see the details of the retina and other structures/media (cornea, aqueous, lens, and vitreous). It consists of, a built-in light that is directed by the examiner through the pupil to illuminate the interior of the eyeball, a mirror with a single hole through which the examiner will view, and a dial containing several lenses of different powers that can be alternated by the examiner whilst viewing. It produces an upright, or unreversed, image of approximately 15 times magnification. The power is run through a transformer to reduce this to low-voltage.
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