{"title":"The Far Nasal Part of the Visual Field - Part I.","authors":"J Lešták, M Fůs, T Lešták, Š Pitrová","doi":"10.31348/2023/36","DOIUrl":null,"url":null,"abstract":"<p><strong>Aims: </strong>The aim of the study was to determine the limits of the far nasal part of the visual field.</p><p><strong>Material and methods: </strong>Visual field examination was performed in 15 healthy subjects (30 eyes), specifically nine women aged 20-43 years and six men aged 22-35 years. All eyes were found to have physiological ocular findings and visual acuity of 1.0 with correction less than or equal to 3 diopters. The visual field was examined with a Medmont M700 instrument by shifting the fixation point 40 degrees temporally and simultaneously turning the head nasally, with a spatial accommodation program. A total of 89 examination points were included using flicker stimuli.</p><p><strong>Results: </strong>The far nasal limit of the visual field reached 100° in 13.3% of eyes, 105° in 20% of eyes and up to 110° in 66.7% of eyes.</p><p><strong>Conclusion: </strong>The limit of the far nasal part of the field of vision reached 100-110 degrees (when nose shielding was eliminated).</p>","PeriodicalId":39839,"journal":{"name":"Ceska a Slovenska Oftalmologie","volume":"79 6","pages":"306-309"},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ceska a Slovenska Oftalmologie","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.31348/2023/36","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Medicine","Score":null,"Total":0}
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Abstract
Aims: The aim of the study was to determine the limits of the far nasal part of the visual field.
Material and methods: Visual field examination was performed in 15 healthy subjects (30 eyes), specifically nine women aged 20-43 years and six men aged 22-35 years. All eyes were found to have physiological ocular findings and visual acuity of 1.0 with correction less than or equal to 3 diopters. The visual field was examined with a Medmont M700 instrument by shifting the fixation point 40 degrees temporally and simultaneously turning the head nasally, with a spatial accommodation program. A total of 89 examination points were included using flicker stimuli.
Results: The far nasal limit of the visual field reached 100° in 13.3% of eyes, 105° in 20% of eyes and up to 110° in 66.7% of eyes.
Conclusion: The limit of the far nasal part of the field of vision reached 100-110 degrees (when nose shielding was eliminated).
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