Fixation instability, astigmatism, and lack of stereopsis as factors impeding recovery of binocular balance in amblyopia following binocular therapy.

This was further supported by the following analyses: (1) partial correlation between stereoacuity changes and interocular baseline fixation stability—controlling for the effect of baseline stereoacuity—showed a highly significant effect for patient group with coarse or nil stereoacuity (r partial = 0.94, p = 0.002, N = 8), but failed entirely when this group was excluded (r partial = 0.075, p = 0.73, N = 24) ii) there was a significant positive correlation between fixation stability and stereoacuity improvements for the coa

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