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2. The design of a new letter chart for measuring contrast sensitivity;Pelli, D.G.; Robson, J.G.; Wilkins, A.J.;Clin Vis Sci,1988
3. Arden grating test in evaluating 'early' posterior subcapsular cataracts;Skalka, H.W.;South MedJ,1981
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5. Contrast sensitivity changes with three types ofcataract morphology: are these techniques necessary in a clinical evaluation of cataract?;Elliott, D.B.; Gilchrist, J.;Ophthalmol Physiol Opt,1989