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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Neurol Clin. 2010 Aug;28(3):789–802. doi: 10.1016/j.ncl.2010.03.012

Figure 1.

Figure 1

Figure 1

(A) A person who is truly blind can touch the tips of the fingers properly. (B) A person with functional visual loss is often unable to touch the tips of the fingers properly. From Biousse V, Newman NJ. Neuro-ophthalmology Illustrated. New York: Thieme 2009; p. 504 with permission.