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. Author manuscript; available in PMC: 2018 Jul 9.
Published in final edited form as: Ophthalmology. 2011 Jan 12;118(6):1162–1169. doi: 10.1016/j.ophtha.2010.10.003

Figure 1.

Figure 1

Photograph of the adjustable glasses (Adaptive Eyecare Ltd., Oxford, UK), with the adjustment knobs indicated by the open arrow and the diopter scale on the user-controlled pump indicated by the solid arrow.