Oscillopsia, retinal image stabilization and congenital nystagmus
Most individuals with congenital nystagmus (CN) do not complain of oscillopsia (visual inconstancy) even though the amount of retinal image slip varies considerably according to gaze angle and CN waveform. We induced oscillopsia in four subjects with CN by artificially stabilizing images upon the re...
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| Veröffentlicht in: | Investigative ophthalmology & visual science 1988-02, Vol.29 (2), p.279-282 |
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| container_title | Investigative ophthalmology & visual science |
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| creator | LEIGH, R. J DELL'OSSO, L. F YANIGLOS, S. S THURSTON, S. E |
| description | Most individuals with congenital nystagmus (CN) do not complain of oscillopsia (visual inconstancy) even though the amount of retinal image slip varies considerably according to gaze angle and CN waveform. We induced oscillopsia in four subjects with CN by artificially stabilizing images upon the retina under several conditions. Every subject reported oscillopsia during retinal image stabilization, but the condition of stabilization varied from one individual to another. Our results indicate that a variety of mechanisms operate to maintain spatial constancy in congenital nystagmus; some individuals appear to use one mechanism more than another. Possible mechanisms include use of extra-retinal signals, elevated threshold for motion detection and "suppression" of visual input except during foveation periods. |
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J ; DELL'OSSO, L. F ; YANIGLOS, S. S ; THURSTON, S. E</creator><creatorcontrib>LEIGH, R. J ; DELL'OSSO, L. F ; YANIGLOS, S. S ; THURSTON, S. E</creatorcontrib><description>Most individuals with congenital nystagmus (CN) do not complain of oscillopsia (visual inconstancy) even though the amount of retinal image slip varies considerably according to gaze angle and CN waveform. We induced oscillopsia in four subjects with CN by artificially stabilizing images upon the retina under several conditions. Every subject reported oscillopsia during retinal image stabilization, but the condition of stabilization varied from one individual to another. Our results indicate that a variety of mechanisms operate to maintain spatial constancy in congenital nystagmus; some individuals appear to use one mechanism more than another. Possible mechanisms include use of extra-retinal signals, elevated threshold for motion detection and "suppression" of visual input except during foveation periods.</description><identifier>ISSN: 0146-0404</identifier><identifier>EISSN: 1552-5783</identifier><identifier>PMID: 3338885</identifier><identifier>CODEN: IOVSDA</identifier><language>eng</language><publisher>Rockville, MD: Association for Research in Vision and Ophtalmology</publisher><subject>Adult ; Biological and medical sciences ; Humans ; Medical sciences ; Middle Aged ; Nystagmus, Pathologic - complications ; Nystagmus, Pathologic - congenital ; Nystagmus, Pathologic - physiopathology ; Oculomotor disorders ; Ophthalmology ; Ophthalmology - methods ; Retina - physiopathology ; Space life sciences ; Vision Disorders - etiology</subject><ispartof>Investigative ophthalmology & visual science, 1988-02, Vol.29 (2), p.279-282</ispartof><rights>1988 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=7542946$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/3338885$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>LEIGH, R. 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Our results indicate that a variety of mechanisms operate to maintain spatial constancy in congenital nystagmus; some individuals appear to use one mechanism more than another. Possible mechanisms include use of extra-retinal signals, elevated threshold for motion detection and "suppression" of visual input except during foveation periods.</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Humans</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Nystagmus, Pathologic - complications</subject><subject>Nystagmus, Pathologic - congenital</subject><subject>Nystagmus, Pathologic - physiopathology</subject><subject>Oculomotor disorders</subject><subject>Ophthalmology</subject><subject>Ophthalmology - methods</subject><subject>Retina - physiopathology</subject><subject>Space life sciences</subject><subject>Vision Disorders - etiology</subject><issn>0146-0404</issn><issn>1552-5783</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1988</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9j81KxDAURoMo4zj6CEIX4spCmpvf5TDoKAzMRtflNk2HSJrWpl2MT2_F4upbnMMH54KsCyFYLpSGS7KmBZc55ZRfk5uUPillRcHoiqwAQGst1mR7TNaH0PXJ41M2uNFHDJlv8eSyNGLlg__G0Xcxw1hntosnF_04K_E841M7pVty1WBI7m7ZDfl4eX7fveaH4_5ttz3kPQMx5iCNEg4YraVzKCtnuSkablnDrGoKI4UxRlHQQle2AtdUgjHKpRAUlaEAG_L499sP3dfk0li2PlkXAkbXTalUmiqj4Ve8X8Spal1d9sOcM5zLpXnmDwvHZDE0A0br07-mBGeGS_gBZnxf7A</recordid><startdate>19880201</startdate><enddate>19880201</enddate><creator>LEIGH, R. 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E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Oscillopsia, retinal image stabilization and congenital nystagmus</atitle><jtitle>Investigative ophthalmology & visual science</jtitle><addtitle>Invest Ophthalmol Vis Sci</addtitle><date>1988-02-01</date><risdate>1988</risdate><volume>29</volume><issue>2</issue><spage>279</spage><epage>282</epage><pages>279-282</pages><issn>0146-0404</issn><eissn>1552-5783</eissn><coden>IOVSDA</coden><abstract>Most individuals with congenital nystagmus (CN) do not complain of oscillopsia (visual inconstancy) even though the amount of retinal image slip varies considerably according to gaze angle and CN waveform. We induced oscillopsia in four subjects with CN by artificially stabilizing images upon the retina under several conditions. Every subject reported oscillopsia during retinal image stabilization, but the condition of stabilization varied from one individual to another. Our results indicate that a variety of mechanisms operate to maintain spatial constancy in congenital nystagmus; some individuals appear to use one mechanism more than another. Possible mechanisms include use of extra-retinal signals, elevated threshold for motion detection and "suppression" of visual input except during foveation periods.</abstract><cop>Rockville, MD</cop><pub>Association for Research in Vision and Ophtalmology</pub><pmid>3338885</pmid><tpages>4</tpages></addata></record> |
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| ispartof | Investigative ophthalmology & visual science, 1988-02, Vol.29 (2), p.279-282 |
| issn | 0146-0404 1552-5783 |
| language | eng |
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| source | MEDLINE; EZB Electronic Journals Library |
| subjects | Adult Biological and medical sciences Humans Medical sciences Middle Aged Nystagmus, Pathologic - complications Nystagmus, Pathologic - congenital Nystagmus, Pathologic - physiopathology Oculomotor disorders Ophthalmology Ophthalmology - methods Retina - physiopathology Space life sciences Vision Disorders - etiology |
| title | Oscillopsia, retinal image stabilization and congenital nystagmus |
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