Korean J Ophthalmol > Volume 19(2); 2005 > Article
Korean Journal of Ophthalmology 2005;19(2):136-139.
DOI: https://doi.org/10.3341/kjo.2005.19.2.136    Published online June 30, 2005.
Change of Stereoacuity with Aging in Normal Eyes.
Se Youp Lee, Nam Kyun Koo
Department of Ophthalmology, Keimyung University School of Medicine, Dongsan Medical Center, Daegu, Korea. lsy3379@dsmc.or.kr
Stereopsis in normal subjects aged between 7 and 76 years was compared to examine changes in stereopsis with age. METHODS: Eighty subjects with no ocular disease were divided into 8 groups by age. Near stereopsis was evaluated with the TNO, Titmus, and Randot tests; distance stereopsis with the Mentor B-VAT II video acuity tester. RESULTS: The results of all 4 tests showed decreased stereopsis with increasing age (p< 0.05). Compared to the stereoacuity of 7 to 10-year-old group, both the TNO and distance stereopsis test results were significantly decreased for the 6th, 7th, and 8th decade groups, while both the Titmus and Randot test results were significantly decreased for the 8th decade group (p< 0.05). CONCLUSIONS: Overall, both near and distance stereopsis decreased with increasing age. Thus, decreased stereopsis should be taken into account when performing the stereopsis test.
Key Words: Distance stereopsis;Randot test;Stereopsis;Titmus test
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