Abstract:AIM:To investigate the asthenopia patients’ discrepancy of distance phoria,near phoria and accommodation convergence/accommodation(AC/A) caused by different factors.METHODS:Eighty-four asthenopia patients from outpatient department of Jiangsu Province Hospital of TCM were selected consecutively.The sample was divided into two groups:A group(wrong corrected) and B group(corrected well).Standard 6m,40cm,40cm+1D phoria examinations were operated,and AC/A was calculated,gradient AC/A were computed.All results were compared with Morgan value,and results of group A were also compared with those of group B.RESULTS:The 6m phoria of both group A and B were higher than the Morgan value(P<0.05).Likely,the 40cm phoria of both group A and B were also higher than the Morgan value(P<0.05).However,the results of gradient AC/A of both group A and B were lower than 4/1(P<0.05).There was no significant difference between group A and B in all parameters above(P>0.05).CONCLUSION:The asthenopia patients have higher exophoria in both distance and near phoria than normal,while they have lower gradient AC/A.Stimulated AC/A can not be regarded as a factor to classify different asthenopia types.
