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THE RELATIONSHIP BETWEEN CLINICAL STEREOTESTS
Author(s) -
Hall Chris
Publication year - 1982
Publication title -
ophthalmic and physiological optics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.147
H-Index - 66
eISSN - 1475-1313
pISSN - 0275-5408
DOI - 10.1111/j.1475-1313.1982.tb00168.x
Subject(s) - stereopsis , binocular vision , optometry , test (biology) , binocular disparity , psychology , audiology , medicine , optics , geology , physics , paleontology
The stereo‐thresholds of 67 normal binocular subjects and two smaller groups of non‐binocular and temporarily occluded subject's were measured using three clinical stereotests and a laboratory two‐needle test. The Titmus, Frisby and two‐needle test were found to give a much lower mean threshold than the TNO test. It was found that there is low, but significant, correlation between most pairs of the rests. This suggests they all measure the same underlying function of stereopsis, but other factors must also influence performance in these tests. The non‐binocular subjects performed slightly better than the occluded subjects in some of the stereotests.