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OCULAR FUNDUS This traditional "Goldmann" type fundus lens with a flat front surface (OGFA) provides clear visualization of the posterior pole. Using the NMR-K (Kapetansky) style contact surface design (OGFA-2), direct examination and laser treatment of the posterior pole can be performed without methylcellulose. This lens has a convex anterior surface which provides greater axial magnification than a flat lens.
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