Relationship between reading performance and saccadic disconjugacy in patients with convergence insufficiency type intermittent exotropia
Purpose To determine the relationship between re-reading the same line and saccadic disconjugacy in patients with convergence insufficiency-type intermittent exotropia [CI-type X(T)]. Methods Eight patients with CI-type X(T) and ten healthy orthophoric individuals were studied. Video-oculography was...
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| Veröffentlicht in: | Japanese journal of ophthalmology 2016-07, Vol.60 (4), p.326-332 |
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| container_title | Japanese journal of ophthalmology |
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| creator | Hirota, Masakazu Kanda, Hiroyuki Endo, Takao Lohmann, Tibor Karl Miyoshi, Tomomitsu Morimoto, Takeshi Fujikado, Takashi |
| description | Purpose
To determine the relationship between re-reading the same line and saccadic disconjugacy in patients with convergence insufficiency-type intermittent exotropia [CI-type X(T)].
Methods
Eight patients with CI-type X(T) and ten healthy orthophoric individuals were studied. Video-oculography was used to assess the eye movements during the reading of a Japanese novel displayed on a 23-in. liquid crystal monitor placed 60 cm from the eyes. The sentences were displayed horizontally and read from left to right. The number of unintentional re-readings of the same line was counted, and the disconjugacy at the median of the saccade between the end of a line and the next line was determined.
Results
The number of re-readings of the same line in patients with CI-type X(T) was 4.9 ± 2.3 times which was significantly higher than that in the controls at 0.2 ± 0.4 times (
P
|
| doi_str_mv | 10.1007/s10384-016-0444-2 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_1801433064</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>1801433064</sourcerecordid><originalsourceid>FETCH-LOGICAL-c480t-9f2882b05b7070bd904ece0a2abb8b5ca0a046c51a7fd9dbc2e714b1c81c31d83</originalsourceid><addsrcrecordid>eNp1kd2KFDEQhYO4uOPqA3gjAW-8abcqnf6ZS1nWH1gQZL0OSbp6NsN00iZp13kE33rTzCoieFWQ851TFQ5jrxDeIUB3mRDqXlaAbQVSyko8YRtssa6EkO1TtgEQWDXYNOfseUp7AJCiFs_YuegQRS3Fhv36SgedXfDpzs3cUL4n8jySHpzf8ZniGOKkvSWu_cCTtrYolg8u2eD3y07bI3eezyWDfE783uU7XqQfFHe02pxPyzg6W-SC5uO8PmWKk8u5ODj9DDmG2ekX7GzUh0QvH-cF-_bh-vbqU3Xz5ePnq_c3lZU95Go7ir4XBhrTQQdm2IIkS6CFNqY3jdWgQba2Qd2Nw3YwVlCH0qDt0dY49PUFe3vKnWP4vlDKaiqfocNBewpLUtgDyrqGVhb0zT_oPizRl-tWClrYim6l8ETZGFKKNKo5uknHo0JQa0_q1JMqPam1JyWK5_Vj8mImGv44fhdTAHECUpH8juJfq_-b-gDoB6E8</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1800609274</pqid></control><display><type>article</type><title>Relationship between reading performance and saccadic disconjugacy in patients with convergence insufficiency type intermittent exotropia</title><source>MEDLINE</source><source>SpringerLink Journals</source><creator>Hirota, Masakazu ; Kanda, Hiroyuki ; Endo, Takao ; Lohmann, Tibor Karl ; Miyoshi, Tomomitsu ; Morimoto, Takeshi ; Fujikado, Takashi</creator><creatorcontrib>Hirota, Masakazu ; Kanda, Hiroyuki ; Endo, Takao ; Lohmann, Tibor Karl ; Miyoshi, Tomomitsu ; Morimoto, Takeshi ; Fujikado, Takashi</creatorcontrib><description>Purpose
To determine the relationship between re-reading the same line and saccadic disconjugacy in patients with convergence insufficiency-type intermittent exotropia [CI-type X(T)].
Methods
Eight patients with CI-type X(T) and ten healthy orthophoric individuals were studied. Video-oculography was used to assess the eye movements during the reading of a Japanese novel displayed on a 23-in. liquid crystal monitor placed 60 cm from the eyes. The sentences were displayed horizontally and read from left to right. The number of unintentional re-readings of the same line was counted, and the disconjugacy at the median of the saccade between the end of a line and the next line was determined.
Results
The number of re-readings of the same line in patients with CI-type X(T) was 4.9 ± 2.3 times which was significantly higher than that in the controls at 0.2 ± 0.4 times (
P
< 0.001). The saccadic disconjugacy was significantly larger in patients with CI-type X(T) at −1.70° ± 0.72° than that in the controls at −0.40°± 0.30° (
P
< 0.001). The number of re-readings of the same line was significantly and positively correlated with the saccadic disconjugacy (
R
= 0.84,
R
2
= 0.71,
P
< 0.01).
Conclusions
The results of our study indicate that saccadic disconjugacy is associated with re-reading the same line in patients with CI-type X(T).</description><identifier>ISSN: 0021-5155</identifier><identifier>EISSN: 1613-2246</identifier><identifier>DOI: 10.1007/s10384-016-0444-2</identifier><identifier>PMID: 27112342</identifier><language>eng</language><publisher>Tokyo: Springer Japan</publisher><subject>Adolescent ; Adult ; Clinical Investigation ; Exotropia - physiopathology ; Female ; Humans ; Male ; Medicine ; Medicine & Public Health ; Ocular Motility Disorders - physiopathology ; Ophthalmology ; Reading ; Saccades - physiology ; Vision, Binocular ; Young Adult</subject><ispartof>Japanese journal of ophthalmology, 2016-07, Vol.60 (4), p.326-332</ispartof><rights>Japanese Ophthalmological Society 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c480t-9f2882b05b7070bd904ece0a2abb8b5ca0a046c51a7fd9dbc2e714b1c81c31d83</citedby><cites>FETCH-LOGICAL-c480t-9f2882b05b7070bd904ece0a2abb8b5ca0a046c51a7fd9dbc2e714b1c81c31d83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10384-016-0444-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10384-016-0444-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27112342$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hirota, Masakazu</creatorcontrib><creatorcontrib>Kanda, Hiroyuki</creatorcontrib><creatorcontrib>Endo, Takao</creatorcontrib><creatorcontrib>Lohmann, Tibor Karl</creatorcontrib><creatorcontrib>Miyoshi, Tomomitsu</creatorcontrib><creatorcontrib>Morimoto, Takeshi</creatorcontrib><creatorcontrib>Fujikado, Takashi</creatorcontrib><title>Relationship between reading performance and saccadic disconjugacy in patients with convergence insufficiency type intermittent exotropia</title><title>Japanese journal of ophthalmology</title><addtitle>Jpn J Ophthalmol</addtitle><addtitle>Jpn J Ophthalmol</addtitle><description>Purpose
To determine the relationship between re-reading the same line and saccadic disconjugacy in patients with convergence insufficiency-type intermittent exotropia [CI-type X(T)].
Methods
Eight patients with CI-type X(T) and ten healthy orthophoric individuals were studied. Video-oculography was used to assess the eye movements during the reading of a Japanese novel displayed on a 23-in. liquid crystal monitor placed 60 cm from the eyes. The sentences were displayed horizontally and read from left to right. The number of unintentional re-readings of the same line was counted, and the disconjugacy at the median of the saccade between the end of a line and the next line was determined.
Results
The number of re-readings of the same line in patients with CI-type X(T) was 4.9 ± 2.3 times which was significantly higher than that in the controls at 0.2 ± 0.4 times (
P
< 0.001). The saccadic disconjugacy was significantly larger in patients with CI-type X(T) at −1.70° ± 0.72° than that in the controls at −0.40°± 0.30° (
P
< 0.001). The number of re-readings of the same line was significantly and positively correlated with the saccadic disconjugacy (
R
= 0.84,
R
2
= 0.71,
P
< 0.01).
Conclusions
The results of our study indicate that saccadic disconjugacy is associated with re-reading the same line in patients with CI-type X(T).</description><subject>Adolescent</subject><subject>Adult</subject><subject>Clinical Investigation</subject><subject>Exotropia - physiopathology</subject><subject>Female</subject><subject>Humans</subject><subject>Male</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Ocular Motility Disorders - physiopathology</subject><subject>Ophthalmology</subject><subject>Reading</subject><subject>Saccades - physiology</subject><subject>Vision, Binocular</subject><subject>Young Adult</subject><issn>0021-5155</issn><issn>1613-2246</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><recordid>eNp1kd2KFDEQhYO4uOPqA3gjAW-8abcqnf6ZS1nWH1gQZL0OSbp6NsN00iZp13kE33rTzCoieFWQ851TFQ5jrxDeIUB3mRDqXlaAbQVSyko8YRtssa6EkO1TtgEQWDXYNOfseUp7AJCiFs_YuegQRS3Fhv36SgedXfDpzs3cUL4n8jySHpzf8ZniGOKkvSWu_cCTtrYolg8u2eD3y07bI3eezyWDfE783uU7XqQfFHe02pxPyzg6W-SC5uO8PmWKk8u5ODj9DDmG2ekX7GzUh0QvH-cF-_bh-vbqU3Xz5ePnq_c3lZU95Go7ir4XBhrTQQdm2IIkS6CFNqY3jdWgQba2Qd2Nw3YwVlCH0qDt0dY49PUFe3vKnWP4vlDKaiqfocNBewpLUtgDyrqGVhb0zT_oPizRl-tWClrYim6l8ETZGFKKNKo5uknHo0JQa0_q1JMqPam1JyWK5_Vj8mImGv44fhdTAHECUpH8juJfq_-b-gDoB6E8</recordid><startdate>20160701</startdate><enddate>20160701</enddate><creator>Hirota, Masakazu</creator><creator>Kanda, Hiroyuki</creator><creator>Endo, Takao</creator><creator>Lohmann, Tibor Karl</creator><creator>Miyoshi, Tomomitsu</creator><creator>Morimoto, Takeshi</creator><creator>Fujikado, Takashi</creator><general>Springer Japan</general><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QL</scope><scope>7T7</scope><scope>7U9</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>H94</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>20160701</creationdate><title>Relationship between reading performance and saccadic disconjugacy in patients with convergence insufficiency type intermittent exotropia</title><author>Hirota, Masakazu ; Kanda, Hiroyuki ; Endo, Takao ; Lohmann, Tibor Karl ; Miyoshi, Tomomitsu ; Morimoto, Takeshi ; Fujikado, Takashi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c480t-9f2882b05b7070bd904ece0a2abb8b5ca0a046c51a7fd9dbc2e714b1c81c31d83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Clinical Investigation</topic><topic>Exotropia - physiopathology</topic><topic>Female</topic><topic>Humans</topic><topic>Male</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Ocular Motility Disorders - physiopathology</topic><topic>Ophthalmology</topic><topic>Reading</topic><topic>Saccades - physiology</topic><topic>Vision, Binocular</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hirota, Masakazu</creatorcontrib><creatorcontrib>Kanda, Hiroyuki</creatorcontrib><creatorcontrib>Endo, Takao</creatorcontrib><creatorcontrib>Lohmann, Tibor Karl</creatorcontrib><creatorcontrib>Miyoshi, Tomomitsu</creatorcontrib><creatorcontrib>Morimoto, Takeshi</creatorcontrib><creatorcontrib>Fujikado, Takashi</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Virology and AIDS Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>Japanese journal of ophthalmology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hirota, Masakazu</au><au>Kanda, Hiroyuki</au><au>Endo, Takao</au><au>Lohmann, Tibor Karl</au><au>Miyoshi, Tomomitsu</au><au>Morimoto, Takeshi</au><au>Fujikado, Takashi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Relationship between reading performance and saccadic disconjugacy in patients with convergence insufficiency type intermittent exotropia</atitle><jtitle>Japanese journal of ophthalmology</jtitle><stitle>Jpn J Ophthalmol</stitle><addtitle>Jpn J Ophthalmol</addtitle><date>2016-07-01</date><risdate>2016</risdate><volume>60</volume><issue>4</issue><spage>326</spage><epage>332</epage><pages>326-332</pages><issn>0021-5155</issn><eissn>1613-2246</eissn><abstract>Purpose
To determine the relationship between re-reading the same line and saccadic disconjugacy in patients with convergence insufficiency-type intermittent exotropia [CI-type X(T)].
Methods
Eight patients with CI-type X(T) and ten healthy orthophoric individuals were studied. Video-oculography was used to assess the eye movements during the reading of a Japanese novel displayed on a 23-in. liquid crystal monitor placed 60 cm from the eyes. The sentences were displayed horizontally and read from left to right. The number of unintentional re-readings of the same line was counted, and the disconjugacy at the median of the saccade between the end of a line and the next line was determined.
Results
The number of re-readings of the same line in patients with CI-type X(T) was 4.9 ± 2.3 times which was significantly higher than that in the controls at 0.2 ± 0.4 times (
P
< 0.001). The saccadic disconjugacy was significantly larger in patients with CI-type X(T) at −1.70° ± 0.72° than that in the controls at −0.40°± 0.30° (
P
< 0.001). The number of re-readings of the same line was significantly and positively correlated with the saccadic disconjugacy (
R
= 0.84,
R
2
= 0.71,
P
< 0.01).
Conclusions
The results of our study indicate that saccadic disconjugacy is associated with re-reading the same line in patients with CI-type X(T).</abstract><cop>Tokyo</cop><pub>Springer Japan</pub><pmid>27112342</pmid><doi>10.1007/s10384-016-0444-2</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-5155 |
| ispartof | Japanese journal of ophthalmology, 2016-07, Vol.60 (4), p.326-332 |
| issn | 0021-5155 1613-2246 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1801433064 |
| source | MEDLINE; SpringerLink Journals |
| subjects | Adolescent Adult Clinical Investigation Exotropia - physiopathology Female Humans Male Medicine Medicine & Public Health Ocular Motility Disorders - physiopathology Ophthalmology Reading Saccades - physiology Vision, Binocular Young Adult |
| title | Relationship between reading performance and saccadic disconjugacy in patients with convergence insufficiency type intermittent exotropia |
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