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Originally published In Press as doi:10.1167/iovs.07-1558 on March 14, 2008
 (Investigative Ophthalmology and Visual Science. 2008;49:3730-3733.)
© 2008 by The Association for Research in Vision and Ophthalmology, Inc.
DOI:  10.1167/iovs.07-1558
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Resolution Visual Fields in Children Surgically Treated for Bilateral Congenital Cataract

Lene Martin,1 Gunilla Magnusson,2 Zoran Popovic,2 and Johan Sjöstrand2

1From the Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; and the 2Department of Clinical Neuroscience, Sahlgrenska Academy, Gothenburg, Sweden.

PURPOSE. To evaluate visual acuity (best corrected visual acuity) and peripheral sensitivity, measured by high-pass resolution (HRP) visual fields, in children surgically treated for congenital cataract.

METHODS. Acuity and peripheral sensitivity were recorded from 16 children, aged 10 to 15 years, either surgically treated for bilateral dense cataract before the age of 4.6 months (n = 10) or surgically treated for bilateral partial cataract at ages 4 to 139 months (n = 6). Data from 22 healthy children, mean age 11 years, served as control.

RESULTS. The children with cataract had significantly (P < 0.0001) lower decimal acuity in their better eye (median, 0.55; range, 0.1–1.3) than did the control subjects (median, 1.2; range, 1.0–1.6). Five children were visually impaired according to the World Health Organization’s definition (i.e., acuity in the better eye <0.3). The children with previous dense bilateral cataract showed significantly lower peripheral sensitivity than did the control subjects (P = 0.004). Significant correlations were observed between acuity and visual field parameters.

CONCLUSIONS. Dense cataract, even when surgically treated before the age of 4.6 months, causes persistent impairment of spatial vision, both in the fovea and the visual field. The effect on the visual field is less pronounced than that on visual acuity. This finding has to be taken into account when evaluating visual field results in, for example, the diagnosis of glaucoma, a frequent complication after cataract surgery in early infancy.






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