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Volk® 90D Slit lamp lens, red ring, 74°/89° FOV, 0.76x image mag., 1.32x laser spot, 7.0mm working distance, ideal for general diagnosis and small pupil examinations | Ambler Surgical
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Amazon.com: Opticlear Ophthalmic Aspheric Lenses in Different Sizes of 90D, 78D and 20 D (78D ASPHERIC Lens) : Industrial & Scientific
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Volk® 90D Slit lamp lens, green ring, 74°/89° FOV, 0.76x image mag., 1.32x laser spot, 7.0mm working distance, ideal for general diagnosis and small pupil examinations | Ambler Surgical
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