Towards better estimates of uncorrected presbyopia

Brien A Holden, Nina Tahhan, Monica Jong, David A Wilson, Timothy R Fricke, Rupert Bourne, Serge Resnikoff

Research output: Contribution to journalEditorialpeer-review

20 Citations (Scopus)


Normal vision depends upon the ability of the ocular lens to change shape, ensuring that light is focused on the most sensitive part of the retina. Anyone living beyond middle age is inevitably affected by presbyopia, an inability to focus on near objects, due to the loss of flexibility of the ocular lens. It is estimated that over half of the one billion people affected globally cannot afford the spectacles needed to correct their eyesight. Most of the people with uncorrected visual impairment live in low- and middle-income countries
Original languageEnglish
Pages (from-to)667-667
Number of pages1
JournalBulletin of the World Health Organization
Issue number10
Publication statusPublished - 1 Oct 2015
Externally publishedYes


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