The higher refractive error in patients aged over 73 years suggests that age may be a risk factor for deviation from emmetropia after cataract surgery.

Binocular visual-evoked responses (VER) were recorded in normal and strabismic subjects. The percent increase of binocular with respect to monocular response was correlated to the degree of binocular performance expressed by the values of stereopsis in the Titmus stereo test and TNO test. Summation, facilitation and inhibition of binocular responses were found. In no case was a clear relationship found between the degree of binocularity and the amplitude of binocular VER. This limits clinical application of binocular VER recordings in the diagnosis of binocular vision disturbances.

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A case of unilateral visual agnosia for all types of stimuli limited to the left visual hemifield and associated with a right occipital temporal vascular lesion is reported. Questions raised by this case of hemiagnosia as compared to previous ones are discussed.