Performance of a new, 3D-monitor based random-dot stereotest for children under 4 years of age.

Performance of a new, 3D-monitor based random-dot stereotest for children under 4 years of age. Research Abstract Details 

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Performance of a new, 3D-monitor based random-dot stereotest for children under 4 years of age. Abstract Text:

Birgitta Kriegbaum-Stehberger,Xiaoyi Jiang,Daniel S Mojon,

BACKGROUND: The aim of this study was to determine the performance of a new, 3D-monitor based, objective stereotest in children under the age of four. METHODS: Random-dot circles (diameter 10 cm, crossed, disparity of 0.34 degrees ) randomly changing their position were presented on an 3D-monitor while eye movements were monitored by infrared photo-oculography. If >/=3 consecutive stimuli were seen, a positive response was assumed. One hundred thirty-four normal children aged 2 months to 4 years (average 17+/-15.3 months) were examined. RESULTS: Below the age of 12 months, we were not able to obtain a response to the 3D stimulus. For older children the following rates of positive responses were found: 12-18 months 25%, 18-24 months 10%, 24-30 months 16%, 30-36 months 57%, 36-42 months 100%, and 42-48 months 91%. Multiple linear logistic regression showed a significant influence on stimulus recognition of the explanatory variables age (p<0.00001) and child cooperation (p<0.001), but not of gender (p>0.1). CONCLUSIONS: This 3D-monitor based stereotest allows an objective measurement of random-dot stereopsis in younger children. It might open new ways to screen children for visual abnormalities and to study the development of stereovision. However, the current experimental setting does not allow determining random-dot stereopsis in children younger than 12 months.

Performance of a new, 3D-monitor based random-dot stereotest for children under 4 years of age. Publishing Authors By Initials

B Kriegbaum-Stehberger,X Jiang,DS Mojon,

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Performance of a new, 3D-monitor based random-dot stereotest for children under 4 years of age. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Graefe's archive for clinical and experimental oph

VOLUME: 246

Page Numbers: 1-7

Journal Abbreviation: Graefes Arch. Clin. Exp. Ophth

ISSN: 0721-832X

DAY: 3

MONTH: 08

YEAR: 2007

Performance of a new, 3D-monitor based random-dot stereotest for children under 4 years of age. Information

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LANGUAGE: eng

NlmUniqueID: 8205248

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AFFILIATION: Laboratory of Experimental Oculography, Kantonsspital, St. Gallen, Switzerland.

Country: Germany

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MEDLINETA: Graefes Arch Clin Exp Ophthalm

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