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CTAC (2006). Pallero, R. Ferrando, P.J. and Lorenzo, U.
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Spanish adaptation (2006) by Pallero, R. Ferrando, P.J. Díaz,
M. and Lorenzo U.
• Age-related Vision Loss Scale, AVL (1998). Horowitz,
A. and Reinhardt, J.P. Spanish adaptation (2006) by Pallero, R.
Ferrando, P.J. Díaz, M. Lorenzo, U. and Marsal, D.