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Variable slide adjust to determine fixation disparity or may be used with hand held prisms. Designed for phoroptor use. The card comes with a label which may be placed over the prism diopter scale for an additional scale in degrees. Reverse side of card includes reduced Snellen, fusional target and cross cylinder targets. 5-1/2" x 8" card and polarized goggle. Item #: BCFDC
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All Frisby Stereo Test Present "real depth" objects viewed with natural vision: not testing glasses are required. Each plate has four random-patten squares, with a circle of pattern elements, lying in depth relative to its surround. The depth effect is due to the circle and its surround being printed on opposite sides of the plate. The purpose of the Frisby Screening Stereo Test - Single Plate, is to demonstrate the presence of stereopsis.
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This test is designed for vision screening at schools and assessment of vision of children with special needs beginning with age of 5 years. Proportionally spaced (logMAR); line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50. Has hole for hanging on the wall. 18" x 20" (45.7 cm x 50.8 cm). Folds to 18" x 10" (45.7 cm x 25.4 cm).
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Aperture Rule™ Set (12 Stereoscope sized cards) These cares are more complex and require more detail demand. They build flexibility, resiliency, attention to detail and reduction of visual fatigue. These cards contain large quantities of details and build large ranges of fusion (leading to high amounts of prism diopters of 'Base Out' and 'Base In' fusion ranges) 12 Cards
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Our revolutionary PanOptic Ophthalmoscope addresses the fundamental challenge in ophthalmoscopy—to get a good view of the fundus in order to make a sufficient assessment. Patented Axial PointSource™ Optics make it easy to enter undilated pupils, offering a 25º field of view, resulting in a view of the fundus that's 5X greater than you see with a standard ophthalmoscope in an undilated eye. Direct viewing of the fundus through the PanOptic provides better images of the retinal changes caused by hypertension, diabetic retinopathy, glaucoma, and papilledema to enable clinicians to make these diagnoses earlier.
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PART #V90C The Volk 90D is the most widely known fundoscopy lens and is to date considered the gold standard in exam rooms across the world. The small profile of the 90D coupled with its optical profile makes it a great first lens. This lens is a perfect choice for general examination and retinal imaging. This lens can be used to get through small pupils for patients who do not prefer or accommodate dilation and as a result is also a popular choice for undilated retinal exams.
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Auto Ref-Keratometer / Refractometer Auto Ref-Keratometer K-900 & Auto Refractometer R-800 offer accurate and reliable objective measurement results. This classic, compact, ergonomic design ensures easy and comfortable operation to eye-care professionals in their daily practices.