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Manifest Refraction (manual way to determine the best lenses, by placing various lenses in front of the patient's eyes and asking, "Which is better, lens A or lens B?"  allaboutvision.com kat_j) | |||
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| Manifest Refraction (manual way to determine the best lenses, by placing various lenses in front of the patient's eyes and asking, "Which is better, lens A or lens B?" allaboutvision.com kat_j) | |||