Abstract
Patients affected by macular diseases usually complain impaired vision in dim light and difficulties in recognizing the contour of objects in low-contrast conditions even with normal visual acuity and full visual field. Unfortunately, despite the evidence that rods fail first, clinicians and regulatory agencies monitor the progression of macular degeneration with visual tests that measure cone but not rod function. This is typically performed in bright light, but not in dim light condition where patients struggle to perform ordinary visual tasks.
This chapter describes the contribution of newly developed scotopic microperimetry to the clinical examination of rod function, mainly in diabetics without and with early nonproliferative diabetic retinopathy and in patients with early age-related macular degeneration.
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© 2014 Springer-Verlag Berlin Heidelberg
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Pilotto, E., Convento, E. (2014). Scotopic Microperimetry. In: Midena, E. (eds) Microperimetry and Multimodal Retinal Imaging. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-40300-2_5
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DOI: https://doi.org/10.1007/978-3-642-40300-2_5
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