[Visual symptoms as the first manifestation of Alzheimer's disease].
METHODS
We report a 59-year-old patient with difficulty in visual perception, difficulty reading and episodes of dyschromatopsia. The ocular examination was unremarkable. Structural neuro-imaging and neuro-ophthalmology tests were normal. Positron emission tomography scanning showed decreased metabolism in the parieto-occipital cortex bilaterally. Several months later the patient developed Alzheimer's disease.


CONCLUSIONS
Visual symptoms may be the first manifestation of Alzheimer's disease.
Hospital General, Medina del Campo, Valladolid, Spain. vasensio@hmdc.sacyl.es
V M
VM
Asensio-Sánchez
B
B
Torreblanca-Agüera
S
S
Martínez-Calvo
M J
MJ
Calvo
R
R
Rodríguez
D000544:Alzheimer Disease / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D049268:Positron-Emission Tomography; D014786:Vision Disorders / Q000209:etiology*; D014792:Visual Acuity