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. 2011 Aug 9;343:d4767. doi: 10.1136/bmj.d4767

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© Zhang et al 2011

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license. See: http://creativecommons.org/licenses/by-nc/2.0/ and http://creativecommons.org/licenses/by-nc/2.0/legalcode.

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graphic file with name zham838045.f3_default.jpg — Fig 3 Cycloplegic subjective refractive error (standard care) compared with self refraction and non-cycloplegic autorefraction in the right eye. Horizontal lines represent means with 97.5th and 2.5th centiles (note, two outlying points are not shown on each graph)