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Fifty patients with permanent cortical visual impairment were evaluated. They had a characteristic behaviour profile, usually with residual sight but poor visual attention. 30 of the 50 also had damage to the anterior visual pathway. Visual evoked potential mapping was shown to have a clear advantage over visual evoked responses, and using that in conjunction with CT and clinical data enabled several subgroups of cortical visual impairment to be identified. The diagnosis probably is more common than previously recognised, and should be suspected when there is greater delay in visual development in other areas and the degree of visual loss is unexplained by ocular findings. Using traditional criteria for cortical blindness may mean that many children are not diagnosed, which has serious implications for their rehabilitation.
S Whiting, and
J E Jan, and
P K Wong, and
O Flodmark, and
K Farrell, and
A Q McCormick
August 1986,
The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques,
S Whiting, and
J E Jan, and
P K Wong, and
O Flodmark, and
K Farrell, and
A Q McCormick
October 1987,
Developmental medicine and child neurology,
S Whiting, and
J E Jan, and
P K Wong, and
O Flodmark, and
K Farrell, and
A Q McCormick
December 2006,
Current opinion in ophthalmology,
S Whiting, and
J E Jan, and
P K Wong, and
O Flodmark, and
K Farrell, and
A Q McCormick
January 1994,
Survey of ophthalmology,
S Whiting, and
J E Jan, and
P K Wong, and
O Flodmark, and
K Farrell, and
A Q McCormick
October 1995,
The American journal of occupational therapy : official publication of the American Occupational Therapy Association,
S Whiting, and
J E Jan, and
P K Wong, and
O Flodmark, and
K Farrell, and
A Q McCormick
January 2001,
International ophthalmology clinics,
S Whiting, and
J E Jan, and
P K Wong, and
O Flodmark, and
K Farrell, and
A Q McCormick
September 2006,
The International journal of neuroscience,
S Whiting, and
J E Jan, and
P K Wong, and
O Flodmark, and
K Farrell, and
A Q McCormick
April 1993,
American journal of ophthalmology,
S Whiting, and
J E Jan, and
P K Wong, and
O Flodmark, and
K Farrell, and
A Q McCormick
November 1992,
American journal of ophthalmology,
S Whiting, and
J E Jan, and
P K Wong, and
O Flodmark, and
K Farrell, and
A Q McCormick
February 2021,
Current opinion in neurology,
