{"id":4054,"date":"2022-05-03T11:47:20","date_gmt":"2022-05-03T10:47:20","guid":{"rendered":"https:\/\/apps.nhslothian.scot\/refhelp\/guidelines\/intermittentlossofvision\/"},"modified":"2026-01-28T12:21:07","modified_gmt":"2026-01-28T12:21:07","slug":"intermittentlossofvision","status":"publish","type":"page","link":"https:\/\/apps.nhslothian.scot\/refhelp\/guidelines\/ophthalmology\/intermittentlossofvision\/","title":{"rendered":"Intermittent Loss Of Vision"},"content":{"rendered":"\n<p>Intermittent loss of vision can be caused by amaurosis\nfugax. This is where blood supply to part of the retina is interrupted briefly.\nThis occurs in patients with vascular risk factors e.g. hypertension,\nhypercholesterolaemia, peripheral vascular disease, coronary heart disease and\nstroke. A typical story is one of a dark curtain across the vision which lasts\nseconds to minutes and completely resolves. Patients should be referred to the\nneurovascular service with an assessment completed of their vascular risk\nfactors. <\/p>\n\n\n\n<p>Another cause of intermittent loss\/disturbance of vision is\nmigraine. This can cause tunnel vision (loss of peripheral fields) or\ndisturbances of vision such as zigzags, TV static and shapes across the vision.\nIt can occur with or without a headache and completely resolves within 24\nhours. <\/p>\n\n\n\n<p>JC &amp; BC 28\/1\/26<\/p>\n\n\n\n<div class=\"wp-block-getwid-tabs\" data-active-tab=\"0\"><ul class=\"wp-block-getwid-tabs__nav-links\"><\/ul>\n<div class=\"wp-block-getwid-tabs__nav-link\"><span class=\"wp-block-getwid-tabs__title-wrapper\"><a href=\"#\"><span class=\"wp-block-getwid-tabs__title\">Referral Guidelines<\/span><\/a><\/span><\/div><div class=\"wp-block-getwid-tabs__tab-content-wrapper\"><div class=\"wp-block-getwid-tabs__tab-content\">\n<h4 class=\"wp-block-heading\">Who to refer:<\/h4>\n\n\n\n<p><a href=\"https:\/\/apps.nhslothian.scot\/files\/sites\/2\/Ophthalmology-\u2013-Lothian-GP-and-Optometry-Ophthalmology-Referral-Pathway.pdf\" data-type=\"link\" data-id=\"https:\/\/apps.nhslothian.scot\/files\/sites\/2\/Ophthalmology-\u2013-Lothian-GP-and-Optometry-Ophthalmology-Referral-Pathway.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Please see Lothian GP and optometry ophthalmology referral pathway<\/a>.<\/p>\n\n\n\n<p><a href=\"https:\/\/apps.nhslothian.scot\/files\/sites\/2\/Urgency-of-the-condition.pdf\" data-type=\"link\" data-id=\"https:\/\/apps.nhslothian.scot\/files\/sites\/2\/Urgency-of-the-condition.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Urgency of the condition<\/a>&nbsp;for details on how soon patients should receive an appointment.<\/p>\n\n\n\n<p>Patients who present with a problem with their only seeing eye should be advised to see an optician\/ophthalmologist for review.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Who not to refer:<\/h4>\n\n\n\n<p>Amaurosis fugax \u2013 please refer to the neurovascular clinic. Please assess vascular risk factors including blood pressure, cholesterol and diabetes.&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">How to refer:<\/h4>\n\n\n\n<p><strong>We require a referral letter for EVERY patient<\/strong>.<\/p>\n\n\n\n<p>The preferred referral process is via SCI Gateway. If sending\/forwarding a referral via SCI gateway please include past medical history, allergies and medications<\/p>\n\n\n\n<p>If you do not have access to fax or SCI Gateway e.g. if you have arranged an appointment out of hours please send a written referral letter with the patient to bring to their appointment.<\/p>\n\n\n\n<p>Only if SCI Gateway is unavailable should a letter be typed or handwritten. Please write legibly and include your examination findings.<\/p>\n\n\n\n<p>If you have arranged an appointment in the acute referral clinic and you are referring from within another hospital in Lothian please use TRAK to type the referral letter.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-getwid-tabs__nav-link\"><span class=\"wp-block-getwid-tabs__title-wrapper\"><a href=\"#\"><span class=\"wp-block-getwid-tabs__title\">Resources and Links<\/span><\/a><\/span><\/div><div class=\"wp-block-getwid-tabs__tab-content-wrapper\"><div class=\"wp-block-getwid-tabs__tab-content\">\n<p><\/p>\n<\/div><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Intermittent loss of vision can be caused by amaurosis fugax. This is where blood supply to part of the retina is interrupted briefly. This occurs in patients with vascular risk factors e.g. hypertension, hypercholesterolaemia, peripheral vascular disease, coronary heart disease and stroke. A typical story is one of a dark curtain across the vision which<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":4212,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[476],"class_list":["post-4054","page","type-page","status-publish","hentry","category-intermittentlossofvision"],"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"rttpg_featured_image_url":null,"rttpg_author":{"display_name":"NHS Lothian","author_link":"https:\/\/apps.nhslothian.scot\/refhelp\/author\/nhs-lothian\/"},"rttpg_comment":0,"rttpg_category":" <a href=\"https:\/\/apps.nhslothian.scot\/refhelp\/category\/ophthalmology\/intermittentlossofvision\/\" rel=\"tag\">Intermittent Loss Of Vision<\/a>","rttpg_excerpt":"Intermittent loss of vision can be caused by amaurosis fugax. This is where blood supply to part of the retina is interrupted briefly. This occurs in patients with vascular risk factors e.g. hypertension, hypercholesterolaemia, peripheral vascular disease, coronary heart disease and stroke. A typical story is one of a dark curtain across the vision which","_links":{"self":[{"href":"https:\/\/apps.nhslothian.scot\/refhelp\/wp-json\/wp\/v2\/pages\/4054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/apps.nhslothian.scot\/refhelp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/apps.nhslothian.scot\/refhelp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/apps.nhslothian.scot\/refhelp\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/apps.nhslothian.scot\/refhelp\/wp-json\/wp\/v2\/comments?post=4054"}],"version-history":[{"count":7,"href":"https:\/\/apps.nhslothian.scot\/refhelp\/wp-json\/wp\/v2\/pages\/4054\/revisions"}],"predecessor-version":[{"id":26384,"href":"https:\/\/apps.nhslothian.scot\/refhelp\/wp-json\/wp\/v2\/pages\/4054\/revisions\/26384"}],"up":[{"embeddable":true,"href":"https:\/\/apps.nhslothian.scot\/refhelp\/wp-json\/wp\/v2\/pages\/4212"}],"wp:attachment":[{"href":"https:\/\/apps.nhslothian.scot\/refhelp\/wp-json\/wp\/v2\/media?parent=4054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apps.nhslothian.scot\/refhelp\/wp-json\/wp\/v2\/categories?post=4054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}