The effect of anisometropia on binocular visual function |
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Authors: | Dadeya S Kamlesh Shibal F |
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Affiliation: | Guru Nanak Eye Centre, Maulana Azad Medical College, New Delhi, India. dadeya86@hotmail.com |
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Abstract: | PURPOSE: To investigate the effects of anisometropia on binocular vision. METHODS: One to three dioptres of unilateral hyperopia, myopia or astigmatism was induced in 30 normal adults. The effect on binocularity was assessed with the Worth-four dot test, Titmus stereo test and Bagolini's lenses. RESULTS: Binocular vision deteriorated with increasing anisometropia. Spherical anisometropia was more deleterious than astigmatic anisometropia. CONCLUSION: In addition to amblyopia, the potential effect of anisometropia on binocular vision should be considered while prescribing spectacles in young children during the sensitive period. |
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