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PART #VSFNC Often referred to as a ‘Super 90D’ this lens provides wide field imaging out to the mid periphery and dynamic viewing out to the periphery. This lens is a great choice for pan-retinal examination. This lens provides the magnification of a 90D, with an increased field of view enabling high resolution imaging of the posterior pole. This combination of magnification and wide field imaging allows quick and comprehensive examination of the retina, making it a go-to lens for general examination. A 30 mm lens ring provides a comfortable grip and manipulation of the lens within the orbit. -
PART #V20LC Perhaps the most recognized lens around the world, the Volk 20D is the lens that started the legacy of double aspheric lens design for BIO and is still considered as a gold standard. The contributing factors for this are the perfect balance of field of view and magnification of the 20D. The working distance of 50 mm also makes lens manipulation a comfortable experience for the examiner. This lens is perfect for general diagnosis of patients with a 3x magnification and field of view that allows visualization up to the mid peripheral region. The dynamic examination with the appropriate eye movements by the patients allows viewing of the peripheral retina as well as detailed examination by BIO in the primary position provides a comprehensive estimate of retinal health. Thus, this lens is a great choice both as a first line of diagnosis as well as a high level central retinal examination. -
PART #VDGTLCM The digital clear mag is designed specifically for high magnification and detailed examination of the macula and optic disc with a 3.89x magnification. This lens is an easy transition for those who are used to handling a 20D lens with a similar lens ring size and working distance but with an added advantage of high magnification. This lens is a great choice for detecting and monitoring the subtle changes in the optic disc morphology in patients with diabetic retinopathy, glaucoma and age related macular degeneration. -
The Lang-Stereotest® I-R is an easy-to-use screening-test designed for early detection of problems with stereoscopic vision of children. In contrast to most stereo tests it does not require glasses, due to the combination of random dots and a lenticular screen. -
The Lang-Stereopad® is a new device for testing global near stereopsis. It is suitable for all age groups, including preverbal children (less than 1 year). This stereo test does not require the use of special glasses because of the combination of random dots with a lenticular screen, similarly to the the Lang-Stereotests® I-R and II. -
The magnetic monopod support has been designed specially to be used with the Lang-Stereopad®. The test plate can be easily placed in reading position on a table, both in portrait and landscape position. The magnetic monopod serves also as a handle on the back side of the test plate when the test needs to be shown in frontal position. -
The Lang Fixation Cubes have been designed by J. Lang for the assessment of eye fixation, motility, accommodation, convergence, for cover test, and to prepare the child for testing with the Lang-Stereotest® or the Lang-Stereopad®.
5 child-friendly objects are presented on the side and the top of the cube. Some of them are also included in the two versions of the Lang-Stereotest® and of the Lang-Stereopad®, and on the Lang Fixation stick.
The Cube has a red handle.
Each turn of the cube shows a new object. The star on the top side and the other objects can also be used for the test of convergence.
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730006 The HRR (Hardy Rand and Rittler) Standard Pseudoisochromatic Test, 4th Edition provides several very important features to provide the most advanced color vision test available: congenital and acquired testing, identification of the type of defect, and diagnosis of the extent of the defect as well as quick positive classification of normals. The HRR employs a sophisticated test strategy that virtually eliminates the potential for memorization and malingering. The figures used by the HRR Pseudoisochromatic Plates are independent of language and suitable for both adults and children. -
730005 The Laminated HRR (Hardy Rand and Rittler) Pseudoisochromatic Test, 4th Edition provides several very important features to provide the most advanced color vision test available: congenital and acquired testing, identification of the type of defect, and diagnosis of the extent of the defect as well as quick positive classification of normals. The HRR employs a sophisticated test strategy that virtually eliminates the potential for memorization and malingering. The figures used by the HRR Pseudoisochromatic Plates are independent of language and suitable for both adults and children.
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