The rods in early age-related macular degeneration

Elena Rodrigo Diaz de Cerio, Humza Tahir, Neil Parry, Ian Murray

Research output: Contribution to journalArticlepeer-review

Abstract

Age-related macular degeneration (AMD) is a multifactorial disease involving the central region of the retina (the macula). The disease is remarkably common, affecting some 30 per cent of the over-70s in the developed world. It is important to appreciate that the macular region extends to an area of approximately 18°-20° (~5.0mm) in diameter as illustrated by the outer dotted circle in Figure 1. The macula is classically subdivided into the fovea (region a), the parafovea (region b) and the perifovea (region c). Note that only the very central 300µm (1.25°) is cone dominated. Overall, macular rods outnumber cones by around 9:1.1,2
Original languageEnglish
Pages (from-to)16-21
Number of pages6
JournalOptician
Publication statusPublished - Apr 2015

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