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Higher axial length, spherical equivalent associated with uncorrectable visual impairment
Subjects with higher axial length and spherical equivalent were more likely to develop uncorrectable visual impairments, according to a study. The cross-sectional study included 15,693 subjects of European descent culled from large population studies conducted in the Netherlands. Subjects had axial lengths ranging from 15.3 mm to 37.8 mm and spherical equivalent ranging from –25 D to +14 D. Axial length was greater than 26 mm in 819 individuals, and spherical equivalent was –6 D or worse in 796 individuals.