Reduced Mesopic and Photopic Foveal Contrast Sensitivity in Glaucoma
OBJECTIVE To demonstrate differences in foveal constrast sensitivity (CS) between glaucomatous and nonglaucomatous eyes using a simple, rapid computerized test. METHODS This study included consecutive patients with glaucoma (35 eyes) and age-matched control participants (23 eyes) with visual acuity...
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| Veröffentlicht in: | Archives of ophthalmology (1960) 2011-01, Vol.129 (1), p.16-22 |
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| container_title | Archives of ophthalmology (1960) |
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| creator | Lahav, Karen Levkovitch-Verbin, Hani Belkin, Michael Glovinsky, Yoseph Polat, Uri |
| description | OBJECTIVE To demonstrate differences in foveal constrast sensitivity (CS) between glaucomatous and nonglaucomatous eyes using a simple, rapid computerized test. METHODS This study included consecutive patients with glaucoma (35 eyes) and age-matched control participants (23 eyes) with visual acuity of 20/30 or better. Patients with any other ocular disease, including cataract, were excluded. All participants underwent a comprehensive ocular examination, perimetry, and CS. Contrast sensitivity was examined by means of 2 computerized psychophysical tests. The transient method included the presentation of a target in a temporal, 2-alternative, forced-choice procedure, and the static method involved 4 forced-choice procedures. The targets were Gabor patches with spatial frequencies of 1.5 to 9.0 cycles per degree. The tests were conducted under photopic and mesopic conditions. RESULTS Significantly lower foveal CS was found in glaucomatous eyes under photopic and mesopic conditions for all spatial frequencies (P |
| doi_str_mv | 10.1001/archophthalmol.2010.332 |
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METHODS This study included consecutive patients with glaucoma (35 eyes) and age-matched control participants (23 eyes) with visual acuity of 20/30 or better. Patients with any other ocular disease, including cataract, were excluded. All participants underwent a comprehensive ocular examination, perimetry, and CS. Contrast sensitivity was examined by means of 2 computerized psychophysical tests. The transient method included the presentation of a target in a temporal, 2-alternative, forced-choice procedure, and the static method involved 4 forced-choice procedures. The targets were Gabor patches with spatial frequencies of 1.5 to 9.0 cycles per degree. The tests were conducted under photopic and mesopic conditions. RESULTS Significantly lower foveal CS was found in glaucomatous eyes under photopic and mesopic conditions for all spatial frequencies (P < .01). The transient and static methods yielded similar results and were significantly correlated (P < .001). All transient photopic and mesopic CSs were significantly correlated with cup to disc ratio (P < .05). The static photopic spacial frequency of 6 cycles per degree was significantly correlated with the severity of the glaucomatous damage. CONCLUSIONS The results indicate that foveal CS is impaired in glaucoma despite good visual acuity, suggesting that central visual function damage occurs in glaucoma. The similarity between the 2 methods of testing implies that the static method, being the shorter and easier one, may be used in future research. Further research is necessary to establish a CS testing role in the screening and monitoring of glaucoma.Arch Ophthalmol. 2011;129(1):16-22--></description><identifier>ISSN: 0003-9950</identifier><identifier>ISSN: 2168-6165</identifier><identifier>EISSN: 1538-3601</identifier><identifier>EISSN: 2168-6173</identifier><identifier>DOI: 10.1001/archophthalmol.2010.332</identifier><identifier>PMID: 21220624</identifier><language>eng</language><publisher>Chicago, IL: American Medical Association</publisher><subject>Biological and medical sciences ; Color Vision - physiology ; Contrast Sensitivity - physiology ; Female ; Fovea Centralis - physiology ; Glaucoma ; Glaucoma - physiopathology ; Glaucoma and intraocular pressure ; Health informatics ; Humans ; Male ; Medical sciences ; Medical screening ; Mesopic Vision - physiology ; Middle Aged ; Miscellaneous ; Ophthalmology ; Patients ; Studies ; Vision Tests ; Visual Acuity - physiology</subject><ispartof>Archives of ophthalmology (1960), 2011-01, Vol.129 (1), p.16-22</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright American Medical Association Jan 2011</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a387t-6b2f2ddbab030bad81df609d2625e7612d8ce42cbd041b4485048b20021cfdcf3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23752785$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21220624$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lahav, Karen</creatorcontrib><creatorcontrib>Levkovitch-Verbin, Hani</creatorcontrib><creatorcontrib>Belkin, Michael</creatorcontrib><creatorcontrib>Glovinsky, Yoseph</creatorcontrib><creatorcontrib>Polat, Uri</creatorcontrib><title>Reduced Mesopic and Photopic Foveal Contrast Sensitivity in Glaucoma</title><title>Archives of ophthalmology (1960)</title><addtitle>Arch Ophthalmol</addtitle><description>OBJECTIVE To demonstrate differences in foveal constrast sensitivity (CS) between glaucomatous and nonglaucomatous eyes using a simple, rapid computerized test. METHODS This study included consecutive patients with glaucoma (35 eyes) and age-matched control participants (23 eyes) with visual acuity of 20/30 or better. Patients with any other ocular disease, including cataract, were excluded. All participants underwent a comprehensive ocular examination, perimetry, and CS. Contrast sensitivity was examined by means of 2 computerized psychophysical tests. The transient method included the presentation of a target in a temporal, 2-alternative, forced-choice procedure, and the static method involved 4 forced-choice procedures. The targets were Gabor patches with spatial frequencies of 1.5 to 9.0 cycles per degree. The tests were conducted under photopic and mesopic conditions. RESULTS Significantly lower foveal CS was found in glaucomatous eyes under photopic and mesopic conditions for all spatial frequencies (P < .01). The transient and static methods yielded similar results and were significantly correlated (P < .001). All transient photopic and mesopic CSs were significantly correlated with cup to disc ratio (P < .05). The static photopic spacial frequency of 6 cycles per degree was significantly correlated with the severity of the glaucomatous damage. CONCLUSIONS The results indicate that foveal CS is impaired in glaucoma despite good visual acuity, suggesting that central visual function damage occurs in glaucoma. The similarity between the 2 methods of testing implies that the static method, being the shorter and easier one, may be used in future research. Further research is necessary to establish a CS testing role in the screening and monitoring of glaucoma.Arch Ophthalmol. 2011;129(1):16-22--></description><subject>Biological and medical sciences</subject><subject>Color Vision - physiology</subject><subject>Contrast Sensitivity - physiology</subject><subject>Female</subject><subject>Fovea Centralis - physiology</subject><subject>Glaucoma</subject><subject>Glaucoma - physiopathology</subject><subject>Glaucoma and intraocular pressure</subject><subject>Health informatics</subject><subject>Humans</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Medical screening</subject><subject>Mesopic Vision - physiology</subject><subject>Middle Aged</subject><subject>Miscellaneous</subject><subject>Ophthalmology</subject><subject>Patients</subject><subject>Studies</subject><subject>Vision Tests</subject><subject>Visual Acuity - physiology</subject><issn>0003-9950</issn><issn>2168-6165</issn><issn>1538-3601</issn><issn>2168-6173</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkE1r3DAQhkVoyW63-QG5tCYQenI6-rAsH8Pmo4GElLY5i7Eks15sayvZgfz7aLubhPQ0DO8zL8NDyFcKZxSAfsdgVn6zGlfY9b47Y5ACztkBmdOCq5xLoB_IHAB4XlUFzMinGNdplRSqQzJjlDGQTMzJxS9nJ-Nsduei37Qmw8FmP1d-_Ldc-UeHXbb0wxgwjtlvN8R2bB_b8Slrh-y6w8n4Hj-Tjw120R3t54I8XF3-Wf7Ib--vb5bntzlyVY65rFnDrK2xBg41WkVtI6GyTLLClZIyq4wTzNQWBK2FUAUIVTMARk1jTcMX5NuudxP838nFUfdtNK7rcHB-ilrxUhRcVjyRJ_-Raz-FIT2nlZClLFUFCSp3kAk-xuAavQltj-FJU9Bbzfq9Zr3VrJPmdPllXz_VvbOvdy9eE3C6BzAa7JqAg2njG8fLgpWqSNzxjsMeX1PBpIKKPwOwSpG7</recordid><startdate>20110101</startdate><enddate>20110101</enddate><creator>Lahav, Karen</creator><creator>Levkovitch-Verbin, Hani</creator><creator>Belkin, Michael</creator><creator>Glovinsky, Yoseph</creator><creator>Polat, Uri</creator><general>American Medical Association</general><scope>IQODW</scope><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>7TK</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>7X8</scope></search><sort><creationdate>20110101</creationdate><title>Reduced Mesopic and Photopic Foveal Contrast Sensitivity in Glaucoma</title><author>Lahav, Karen ; Levkovitch-Verbin, Hani ; Belkin, Michael ; Glovinsky, Yoseph ; Polat, Uri</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a387t-6b2f2ddbab030bad81df609d2625e7612d8ce42cbd041b4485048b20021cfdcf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Biological and medical sciences</topic><topic>Color Vision - physiology</topic><topic>Contrast Sensitivity - physiology</topic><topic>Female</topic><topic>Fovea Centralis - physiology</topic><topic>Glaucoma</topic><topic>Glaucoma - physiopathology</topic><topic>Glaucoma and intraocular pressure</topic><topic>Health informatics</topic><topic>Humans</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Medical screening</topic><topic>Mesopic Vision - physiology</topic><topic>Middle Aged</topic><topic>Miscellaneous</topic><topic>Ophthalmology</topic><topic>Patients</topic><topic>Studies</topic><topic>Vision Tests</topic><topic>Visual Acuity - physiology</topic><toplevel>online_resources</toplevel><creatorcontrib>Lahav, Karen</creatorcontrib><creatorcontrib>Levkovitch-Verbin, Hani</creatorcontrib><creatorcontrib>Belkin, Michael</creatorcontrib><creatorcontrib>Glovinsky, Yoseph</creatorcontrib><creatorcontrib>Polat, Uri</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Premium</collection><collection>MEDLINE - Academic</collection><jtitle>Archives of ophthalmology (1960)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lahav, Karen</au><au>Levkovitch-Verbin, Hani</au><au>Belkin, Michael</au><au>Glovinsky, Yoseph</au><au>Polat, Uri</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reduced Mesopic and Photopic Foveal Contrast Sensitivity in Glaucoma</atitle><jtitle>Archives of ophthalmology (1960)</jtitle><addtitle>Arch Ophthalmol</addtitle><date>2011-01-01</date><risdate>2011</risdate><volume>129</volume><issue>1</issue><spage>16</spage><epage>22</epage><pages>16-22</pages><issn>0003-9950</issn><issn>2168-6165</issn><eissn>1538-3601</eissn><eissn>2168-6173</eissn><abstract>OBJECTIVE To demonstrate differences in foveal constrast sensitivity (CS) between glaucomatous and nonglaucomatous eyes using a simple, rapid computerized test. METHODS This study included consecutive patients with glaucoma (35 eyes) and age-matched control participants (23 eyes) with visual acuity of 20/30 or better. Patients with any other ocular disease, including cataract, were excluded. All participants underwent a comprehensive ocular examination, perimetry, and CS. Contrast sensitivity was examined by means of 2 computerized psychophysical tests. The transient method included the presentation of a target in a temporal, 2-alternative, forced-choice procedure, and the static method involved 4 forced-choice procedures. The targets were Gabor patches with spatial frequencies of 1.5 to 9.0 cycles per degree. The tests were conducted under photopic and mesopic conditions. RESULTS Significantly lower foveal CS was found in glaucomatous eyes under photopic and mesopic conditions for all spatial frequencies (P < .01). The transient and static methods yielded similar results and were significantly correlated (P < .001). All transient photopic and mesopic CSs were significantly correlated with cup to disc ratio (P < .05). The static photopic spacial frequency of 6 cycles per degree was significantly correlated with the severity of the glaucomatous damage. CONCLUSIONS The results indicate that foveal CS is impaired in glaucoma despite good visual acuity, suggesting that central visual function damage occurs in glaucoma. The similarity between the 2 methods of testing implies that the static method, being the shorter and easier one, may be used in future research. Further research is necessary to establish a CS testing role in the screening and monitoring of glaucoma.Arch Ophthalmol. 2011;129(1):16-22--></abstract><cop>Chicago, IL</cop><pub>American Medical Association</pub><pmid>21220624</pmid><doi>10.1001/archophthalmol.2010.332</doi><tpages>7</tpages></addata></record> |
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| subjects | Biological and medical sciences Color Vision - physiology Contrast Sensitivity - physiology Female Fovea Centralis - physiology Glaucoma Glaucoma - physiopathology Glaucoma and intraocular pressure Health informatics Humans Male Medical sciences Medical screening Mesopic Vision - physiology Middle Aged Miscellaneous Ophthalmology Patients Studies Vision Tests Visual Acuity - physiology |
| title | Reduced Mesopic and Photopic Foveal Contrast Sensitivity in Glaucoma |
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