{"id":11464,"date":"2022-12-13T04:06:43","date_gmt":"2022-12-13T04:06:43","guid":{"rendered":"https:\/\/www.imv-imaging.com\/academy\/equine-ocular-ultrasonography\/"},"modified":"2023-01-30T20:47:46","modified_gmt":"2023-01-30T20:47:46","slug":"equine-ocular-ultrasonography","status":"publish","type":"learning-resource","link":"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/","title":{"rendered":"Equine ocular ultrasonography"},"content":{"rendered":"<p>A case study explaining the Indications, preparation and techniques required to effectively perform diagnostic equine ocular ultrasonography.<\/p>\n<h3>Indications<\/h3>\n<p>Any situation in which the view into the globe is obscured. For example:<\/p>\n<ul>\n<li>Corneal oedema<\/li>\n<li>Intra-ocular haemorrhage or pus (hypopyon)<\/li>\n<li>Cataracts<\/li>\n<li>Severe chemosis<\/li>\n<li>Eye\/eyelid trauma (resulting in eyelid swelling that obscures the globe).<\/li>\n<\/ul>\n<p><img decoding=\"async\" id=\"__mcenew\" src=\"\/media\/7537\/equineocular2-min.png\" alt=\"horse eye\" data-id=\"53302\" loading=\"lazy\"><\/p>\n<h3>Preparation<\/h3>\n<ul>\n<li>Sedation is almost always required as this is not well-tolerated in most unsedated horses.<\/li>\n<li>Performance of an auriculopalpebral block (technique described elsewhere).<\/li>\n<li>Application of topical local anaesthetic agent to the surface of the cornea.<\/li>\n<\/ul>\n<h3>Technique<\/h3>\n<ul>\n<li>Either via direct placement of the probe on to the cornea, or transpalpebrally.<\/li>\n<li>Directly on to the cornea:\n<ul>\n<li>Better images of the posterior part of the globe, and of the orbit, but\u2026<\/li>\n<li>Near-field artifacts result in poor images of the anterior part of the globe.<\/li>\n<li>Requires sterile K-Y jelly (or similar) as an acoustic gel.<\/li>\n<\/ul>\n<\/li>\n<li>Transpalpebral:\n<ul>\n<li>Better images of the anterior part of the globe.<\/li>\n<li>Also preferred method in cases of corneal disease\/injury (and post-surgery) and after ocular trauma.<\/li>\n<\/ul>\n<\/li>\n<li>Examine the eyes in two orthogonal planes \u2013 vertical (between 12 o\u2019clock and 6 o\u2019clock) and horizontal (between 3 o\u2019clock and 9 o\u2019clock), from the central axis.<\/li>\n<li>Fan the probe dorsoventrally in the horizontal plane and rostrolaterally in the vertical plane to visualise the whole globe.<\/li>\n<li>Examine the cornea, lens (anterior and posterior surfaces) and retina. (N.B. Strictly speaking you will see retina, choroid and sclera as one layer.)<\/li>\n<li>Can also visualise the iris and ciliary body, corpora nigra, optic nerve and periorbital structures (fat and muscles).<\/li>\n<li>N.B. the contralateral eye may be valuable as a normal for comparison.<\/li>\n<\/ul>\n<p><img decoding=\"async\" id=\"__mcenew\" src=\"\/media\/7539\/equineocular4-min.png\" alt=\"horse scan\" data-id=\"53304\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\" id=\"__mcenew\" src=\"\/media\/7538\/equineocular3-min.png\" alt=\"horse ultrasound\" data-id=\"53303\" loading=\"lazy\"><\/p>\n<p>Posterior lens luxation with retinal detachment.<\/p>\n<p>Glaucoma affecting the right eye.<\/p>\n<p>All images kindly provided by Professor Derek Knottenbelt OBE BVM&amp;S DVM&amp;S DipECEIM MRCVS.<\/p>\n","protected":false},"author":2,"featured_media":14802,"menu_order":656,"template":"","meta":{"_acf_changed":false,"content-type":"","ep_exclude_from_search":false,"footnotes":""},"modality_lr":[],"format_lr":[],"category_lr":[235],"clinical_application_lr":[478],"class_list":["post-11464","learning-resource","type-learning-resource","status-publish","has-post-thumbnail","hentry","clinical_application_lr-eye-us"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.0 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Equine ocular ultrasonography | IMV imaging<\/title>\n<meta name=\"description\" content=\"Equine ocular ultrasonography | IMV imaging\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Equine ocular ultrasonography\" \/>\n<meta property=\"og:description\" content=\"Equine ocular ultrasonography | IMV imaging\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/\" \/>\n<meta property=\"og:site_name\" content=\"IMV imaging\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/imvimaging.northamerica\/\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-30T20:47:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2022\/12\/917-x-688-graphic-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"620\" \/>\n\t<meta property=\"og:image:height\" content=\"465\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@IMVimaging\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/\",\"url\":\"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/\",\"name\":\"Equine ocular ultrasonography | IMV imaging\",\"isPartOf\":{\"@id\":\"https:\/\/www.imv-imaging.com\/us\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2022\/12\/917-x-688-graphic-1.jpg\",\"datePublished\":\"2022-12-13T04:06:43+00:00\",\"dateModified\":\"2023-01-30T20:47:46+00:00\",\"description\":\"Equine ocular ultrasonography | IMV imaging\",\"breadcrumb\":{\"@id\":\"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/#primaryimage\",\"url\":\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2022\/12\/917-x-688-graphic-1.jpg\",\"contentUrl\":\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2022\/12\/917-x-688-graphic-1.jpg\",\"width\":620,\"height\":465},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.imv-imaging.com\/us\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Learning Resources\",\"item\":\"https:\/\/www.imv-imaging.com\/us\/academy\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Equine ocular ultrasonography\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.imv-imaging.com\/us\/#website\",\"url\":\"https:\/\/www.imv-imaging.com\/us\/\",\"name\":\"IMV Imaging\",\"description\":\"More than just imaging\",\"publisher\":{\"@id\":\"https:\/\/www.imv-imaging.com\/us\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.imv-imaging.com\/us\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.imv-imaging.com\/us\/#organization\",\"name\":\"IMV Imaging\",\"url\":\"https:\/\/www.imv-imaging.com\/us\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.imv-imaging.com\/us\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2023\/01\/viewcloud-logo-large.jpg\",\"contentUrl\":\"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2023\/01\/viewcloud-logo-large.jpg\",\"width\":770,\"height\":400,\"caption\":\"IMV Imaging\"},\"image\":{\"@id\":\"https:\/\/www.imv-imaging.com\/us\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/imvimaging.northamerica\/\",\"https:\/\/x.com\/IMVimaging\",\"https:\/\/www.linkedin.com\/company\/imv-imaging\/\",\"https:\/\/www.youtube.com\/channel\/UCM294Ky6760YOaPsiuS2-Dg\",\"https:\/\/www.instagram.com\/imv.imaging\/\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Equine ocular ultrasonography | IMV imaging","description":"Equine ocular ultrasonography | IMV imaging","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/","og_locale":"en_US","og_type":"article","og_title":"Equine ocular ultrasonography","og_description":"Equine ocular ultrasonography | IMV imaging","og_url":"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/","og_site_name":"IMV imaging","article_publisher":"https:\/\/www.facebook.com\/imvimaging.northamerica\/","article_modified_time":"2023-01-30T20:47:46+00:00","og_image":[{"width":620,"height":465,"url":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2022\/12\/917-x-688-graphic-1.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_site":"@IMVimaging","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/","url":"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/","name":"Equine ocular ultrasonography | IMV imaging","isPartOf":{"@id":"https:\/\/www.imv-imaging.com\/us\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/#primaryimage"},"image":{"@id":"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/#primaryimage"},"thumbnailUrl":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2022\/12\/917-x-688-graphic-1.jpg","datePublished":"2022-12-13T04:06:43+00:00","dateModified":"2023-01-30T20:47:46+00:00","description":"Equine ocular ultrasonography | IMV imaging","breadcrumb":{"@id":"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/#primaryimage","url":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2022\/12\/917-x-688-graphic-1.jpg","contentUrl":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2022\/12\/917-x-688-graphic-1.jpg","width":620,"height":465},{"@type":"BreadcrumbList","@id":"https:\/\/www.imv-imaging.com\/us\/academy\/equine-ocular-ultrasonography\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.imv-imaging.com\/us\/"},{"@type":"ListItem","position":2,"name":"Learning Resources","item":"https:\/\/www.imv-imaging.com\/us\/academy\/"},{"@type":"ListItem","position":3,"name":"Equine ocular ultrasonography"}]},{"@type":"WebSite","@id":"https:\/\/www.imv-imaging.com\/us\/#website","url":"https:\/\/www.imv-imaging.com\/us\/","name":"IMV Imaging","description":"More than just imaging","publisher":{"@id":"https:\/\/www.imv-imaging.com\/us\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.imv-imaging.com\/us\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.imv-imaging.com\/us\/#organization","name":"IMV Imaging","url":"https:\/\/www.imv-imaging.com\/us\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.imv-imaging.com\/us\/#\/schema\/logo\/image\/","url":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2023\/01\/viewcloud-logo-large.jpg","contentUrl":"https:\/\/www.imv-imaging.com\/wp-content\/uploads\/2023\/01\/viewcloud-logo-large.jpg","width":770,"height":400,"caption":"IMV Imaging"},"image":{"@id":"https:\/\/www.imv-imaging.com\/us\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/imvimaging.northamerica\/","https:\/\/x.com\/IMVimaging","https:\/\/www.linkedin.com\/company\/imv-imaging\/","https:\/\/www.youtube.com\/channel\/UCM294Ky6760YOaPsiuS2-Dg","https:\/\/www.instagram.com\/imv.imaging\/"]}]}},"_links":{"self":[{"href":"https:\/\/www.imv-imaging.com\/us\/wp-json\/wp\/v2\/learning-resource\/11464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.imv-imaging.com\/us\/wp-json\/wp\/v2\/learning-resource"}],"about":[{"href":"https:\/\/www.imv-imaging.com\/us\/wp-json\/wp\/v2\/types\/learning-resource"}],"author":[{"embeddable":true,"href":"https:\/\/www.imv-imaging.com\/us\/wp-json\/wp\/v2\/users\/2"}],"version-history":[{"count":0,"href":"https:\/\/www.imv-imaging.com\/us\/wp-json\/wp\/v2\/learning-resource\/11464\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.imv-imaging.com\/us\/wp-json\/wp\/v2\/media\/14802"}],"wp:attachment":[{"href":"https:\/\/www.imv-imaging.com\/us\/wp-json\/wp\/v2\/media?parent=11464"}],"wp:term":[{"taxonomy":"modality_lr","embeddable":true,"href":"https:\/\/www.imv-imaging.com\/us\/wp-json\/wp\/v2\/modality_lr?post=11464"},{"taxonomy":"format_lr","embeddable":true,"href":"https:\/\/www.imv-imaging.com\/us\/wp-json\/wp\/v2\/format_lr?post=11464"},{"taxonomy":"category_lr","embeddable":true,"href":"https:\/\/www.imv-imaging.com\/us\/wp-json\/wp\/v2\/category_lr?post=11464"},{"taxonomy":"clinical_application_lr","embeddable":true,"href":"https:\/\/www.imv-imaging.com\/us\/wp-json\/wp\/v2\/clinical_application_lr?post=11464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}