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Jämförelse mellan olika filterglas från Multilens på synsvaga patienter med bländningsbesvär
Linnaeus University, Faculty of Science and Engineering, School of Natural Sciences.
2011 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Syfte: Syftet med denna studie var att jämföra Multilens Bilux Iris-glas mot deras vanliga polariserade filterglas på syncentralspatienter med uttalade bländningsbesvär.

Metod: I studien undersöktes 15 personer mellan 42-89 år. Försökspersonerna som hade bokad tid hos Syncentralen i Kalmar fick valet att ställa upp på en studie där de skulle få testa ytterligare ett filterglas. Patienterna återkallades efter ett par veckor då synskärpetester gjordes i hög och lågkontrast med och utan bländningsbelysning. Undersökningen innefattade även en intervju under vilken patienten fick berätta vad han/hon tyckte om respektive glas.

Resultat: Kontrast påverkade visus. Högkontrast visus påverkades inte nämnvärt med olika filterglasen eller bländning. För lågkontrast visus fanns heller ingen signifikant skillnad mellan filterglasen med eller utan bländning. En del patienter upplevde bättre synförhållanden med Bilux i vissa situationer.

Slutsats: Högkontrast samt lågkontrast visus påverkades inte nämnvärt med de olika filterglasen eller med bländning. Subjektivt upplevdes förbättrade synförhållanden i vissa situationer med Bilux och vanliga filterglas.

Abstract [en]

The aim of this study was to compare Multilens Bilux Iris against their regular polarized filter-glasses on low vision subjects with pronounced light sensitivity.

A total of 15 people aged 42-89 years participated in the study. All were patients at the low-vision clinic at the hospital in Kalmar, Sweden. Patients were recruited during a prior routine examination whereby they were asked if they would be willing to participate in a study in which they would have the chance to try an extra pair of filter-glasses. The patients were recalled after a few weeks for the examination. Patients’ high- and low contrast visual acuity was measured both with and without glare. An interview with all of the patients was also conducted regarding the different filter lenses.

This study showed no significant difference in high contrast or low contrast visual acuity, with or without the different filters examined during this study. A subjective difference was however detected between filters under certain situations.

Place, publisher, year, edition, pages
2011. , 27 p.
Keyword [en]
contrast, glare, low vision, filter, Bilux
Keyword [sv]
kontrast, bländning, synsvag, filterglas, Bilux
URN: urn:nbn:se:lnu:diva-12480OAI: diva2:422809
Subject / course
Educational program
Optometry Programme, 180 credits
Available from: 2011-06-22 Created: 2011-06-14 Last updated: 2011-06-22Bibliographically approved

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