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Optom Vis Sci. 2002 Feb;79(2):121-5.

Impact of induced aniseikonia on stereopsis with random-dot stereogram.

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Departamento de Optica, Facultad de Ciencias, Universidad de Granada, Spain.


In this work, we evaluate the impact of induced aniseikonia on stereopsis. For this, we determined the disparity range (maximum disparity), a parameter related to the size of the physical region that can be perceived stereoscopically. A significant decline in the disparity range was detected with aniseikonia induced by size lenses of 3% for five of the seven observers tested; 5% was necessary for the other two observers. The data indicate the influence of aniseikonia in stereopsis and the need to minimize such impact. These results may be useful in surgical processes such as the correction of pseudophakic patients and refractive surgery in which aniseikonia can be induced to alter the binocular function of the patient.

[Indexed for MEDLINE]

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