{"product_id":"frenzel-goggles-type-503","title":"Frenzel Goggles Type 503","description":"\u003cspan class=\"c-text__label\"\u003eProduct overview\u003c\/span\u003e\n \u003cul class=\"c-text__list\"\u003e\n \u003cli\u003eAvailable in two versions\n\u003c\/li\u003e\n \u003cli\u003eWith tight lenses\n\u003c\/li\u003e\n \u003cli\u003eWith integrated illumination\n\u003c\/li\u003e\n \u003cli\u003eRegulable illumination\n\u003c\/li\u003e\n \u003cli\u003eWireless operation (battery-powered)\u003c\/li\u003e\n \u003c\/ul\u003e \u003ch4\u003eFrenzel Goggles\u003c\/h4\u003e\n\n\u003cp\u003eThese \u003cb\u003e\u003c\/b\u003eFrenzel goggles, also known as nystagmus glasses, are used\u003cb\u003e for testing spontaneous or provocative nystagmus of the eyes\u003c\/b\u003e. \u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eThe highly magnified lenses of the glasses and the \u003cb\u003eintegrated illumination\u003c\/b\u003e enable the examiner to observe the patient's eye movements precisely. The\u003cb\u003e high dioptre value \u003c\/b\u003eof at least +15 dioptres also prevents the possibility of fixating on objects. This is necessary because fixation of objects suppresses the vestibulo-ocular reflex and thus also the nystagmus.\u003c\/p\u003e\u003cbr\u003e\n\n\u003cp\u003eThe Frenzel glasses are available in two variations. Type 503 is equipped with an attached battery handle, while type 703 is equipped with a battery handle that has a \u003cb\u003ebayonet connector on the side\u003c\/b\u003e. Model 703 can also be connected with the separately available bayonet cable to allow for positioned or rotating exams.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFrenzel goggles\/ nystagmus glasses\u003c\/li\u003e\n\u003cli\u003eWith tight lenses\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eRegulatable light strength via turning knob on battery handle\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eWireless working with the goggles\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003eAvailable in 2 models: type 503 with attached battery handle; type 703 with battery handle and bayonet connector port\u003c\/li\u003e\n\u003cli\u003eType 703 is optionally extendable with a bayonet cable (separately available)\u003c\/li\u003e\n\u003cli\u003e1 Watt, 4 Volt bulb, thread diameter: 3.5 mm x 0.35 mm\u003c\/li\u003e\n\u003cli\u003eRequires 3 batteries, size C LR14\/AM-2, 1.5 V\u003c\/li\u003e\n\u003cli\u003eGoggle colour: black\u003c\/li\u003e\n\u003cli\u003eManufacturer: DeHag\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\n\u003cp\u003e\u003cb\u003ePlease Note: the batteries are not included in the delivery\u003c\/b\u003e\u003c\/p\u003e","brand":"Orange Medical","offers":[{"title":"Type 503","offer_id":51895379886407,"sku":"136525","price":576.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/6301\/9079\/files\/136525_frenzelbrille_typ_503_web_ad97b9cf-9063-4196-b384-14923fb417ff.jpg?v=1752054075","url":"https:\/\/orangemedical.co.uk\/products\/frenzel-goggles-type-503","provider":"Orange Medical","version":"1.0","type":"link"}