476

476

Blom GH, Van der Pol BAE, Soeters I, Dukker NGJ, Heus P, Morshuis-Kottink M, Oltheten JMT, Rhebergen ML, Van Zanten JLH, Eizenga WH, Wiersma Tj. NHG-Standaard Visusklachten(Tweede herziening). NHG-Werkgroep Visusklachten

Blom GH, Van der Pol BAE, Soeters I, Dukker NGJ, Heus P, Morshuis-Kottink M, Oltheten JMT, Rhebergen ML, Van Zanten JLH, Eizenga WH, Wiersma Tj. NHG-Standaard Visusklachten(Tweede herziening). NHG-Werkgroep Visusklachten

Impaired vision, blindness

What are impaired vision and blindness? The WHO definition of impaired vision is that visual acuity (after correction!) is less than 0.3 but more than 0.05 or that the field of vision is less than 30...
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