{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,10]],"date-time":"2026-08-10T10:21:22Z","timestamp":1786357282228,"version":"build-2736575974"},"reference-count":22,"publisher":"Springer Science and Business Media LLC","issue":"3","license":[{"start":{"date-parts":[[2014,1,22]],"date-time":"2014-01-22T00:00:00Z","timestamp":1390348800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Ophthalmic Physiologic Optic"],"published-print":{"date-parts":[[2014,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To explore the onset and progression of spherical refractive error in a population with infantile nystagmus syndrome.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Retrospective refractive error data were obtained from 147 medical records of children with infantile nystagmus syndrome (albinism\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a098; idiopathic infantile nystagmus\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a049), attending a low vision clinic in Northern Ireland, over a 24\u00a0year period (1986\u20132010). Data were categorised by age to allow for comparisons with published studies. A prospective group of participants with Infantile nystagmus syndrome (\n                      <jats:styled-content style=\"fixed-case\">INS<\/jats:styled-content>\n                      ) [\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a022 (albinism\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a018, idiopathic infantile nystagmus\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a04)] (aged 0\u20134) were also recruited. Cycloplegic streak retinoscopy was performed biannually, over a 3\u00a0year period. Spherical equivalent refractive error and most ametropic meridian were analysed.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The mean spherical equivalent refractive errors for albinism and idiopathic infantile nystagmus groups (across all age categories) were hypermetropic, with highest levels demonstrated by the participants with albinism aged 1\u00a0\u2264\u00a04\u00a0years (Mann\u2010Whitney\n                      <jats:italic>U<\/jats:italic>\n                      test,\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.013). Mean most ametropic meridian was highest in the albinism group aged 1\u00a0\u2264\u00a012\n                      <jats:bold>\u00a0<\/jats:bold>\n                      years (Mann\u2010Whitney\n                      <jats:italic>U<\/jats:italic>\n                      test,\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.05). Individual data demonstrated relatively static spherical equivalent refractive errors over time. Prospective participants were hypermetropic at all visits and those with albinism had, on average, higher refractive errors than those with idiopathic infantile nystagmus (\n                      <jats:styled-content style=\"fixed-case\">IIN<\/jats:styled-content>\n                      ). No significant correlations were noted between visual acuity and spherical equivalent refractive errors or most ametropic meridian.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      Hypermetropia is the most prevalent spherical refractive error in the\n                      <jats:styled-content style=\"fixed-case\">INS<\/jats:styled-content>\n                      population, irrespective of level of visual acuity. Individuals with infantile nystagmus syndrome fail to demonstrate typical patterns of emmetropisation, particularly in the presence of albinism.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/opo.12117","type":"journal-article","created":{"date-parts":[[2014,1,22]],"date-time":"2014-01-22T05:03:03Z","timestamp":1390366983000},"page":"369-375","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Longitudinal study of spherical refractive error in infantile nystagmus syndrome"],"prefix":"10.1007","volume":"34","author":[{"given":"Natasha","family":"Healey","sequence":"first","affiliation":[{"name":"University of Ulster Coleraine UK"},{"name":"The Royal Group of Hospitals Belfast UK"},{"name":"Altnagelvin Area Hospital Altnagelvin UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julie F.","family":"McClelland","sequence":"additional","affiliation":[{"name":"University of Ulster Coleraine UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kathryn J.","family":"Saunders","sequence":"additional","affiliation":[{"name":"University of Ulster Coleraine UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. Jonathan","family":"Jackson","sequence":"additional","affiliation":[{"name":"The Royal Group of Hospitals Belfast UK"},{"name":"National Vision Research Institute\/Australian College of Optometry Carlton Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2014,1,22]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.09-3486"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.08-2639"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1097\/00006324-199208000-00005"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.06-1165"},{"key":"e_1_2_9_6_1","first-page":"1","article-title":"Albinism: its implications for refractive development","volume":"41","author":"Wildsoet CF","year":"2000","journal-title":"Invest Ophthalmol Vis Sci"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1136\/bjophthalmol-2011-300072"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1136\/bjo.2010.185827"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1001\/archopht.119.11.1625"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1136\/bjo.2009.176040"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.04-1324"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.09-3599"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.10-6100"},{"key":"e_1_2_9_14_1","first-page":"89","article-title":"Visual problems in albinos: a hospital study carried out at the Douala General Hospital","volume":"9","author":"Mvogo CE","year":"1999","journal-title":"Sant\u00e9"},{"key":"e_1_2_9_15_1","article-title":"Ametropia in albinism (ARVO Abstract)","volume":"38","author":"Pascal E","year":"1997","journal-title":"Invest Ophthalmol Vis Sci"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1001\/archopht.1949.00900050766005"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.1097\/00006324-198303000-00003"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.1097\/00006324-198607000-00002"},{"key":"e_1_2_9_19_1","doi-asserted-by":"publisher","DOI":"10.1097\/00006324-200205000-00008"},{"key":"e_1_2_9_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaapos.2005.03.003"},{"key":"e_1_2_9_21_1","doi-asserted-by":"publisher","DOI":"10.1097\/00006324-197803000-00012"},{"key":"e_1_2_9_22_1","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.12-11537"},{"key":"e_1_2_9_23_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00155678"}],"container-title":["Ophthalmic and Physiological Optics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fopo.12117","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/opo.12117","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,1,7]],"date-time":"2026-01-07T11:23:43Z","timestamp":1767785023000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/opo.12117"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,1,22]]},"references-count":22,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2014,5]]}},"alternative-id":["10.1111\/opo.12117"],"URL":"https:\/\/doi.org\/10.1111\/opo.12117","archive":["Portico"],"relation":{},"ISSN":["0275-5408","1475-1313"],"issn-type":[{"value":"0275-5408","type":"print"},{"value":"1475-1313","type":"electronic"}],"subject":[],"published":{"date-parts":[[2014,1,22]]},"assertion":[{"value":"2013-09-24","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2013-12-11","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2014-01-22","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}