{"id":4655,"date":"2015-12-09T10:00:23","date_gmt":"2015-12-09T09:00:23","guid":{"rendered":"http:\/\/www.sporttennis.it\/sef-italia\/?p=4655"},"modified":"2016-10-19T11:00:04","modified_gmt":"2016-10-19T09:00:04","slug":"la-visione-del-cavallo-2","status":"publish","type":"post","link":"https:\/\/www.sef-italia.it\/index.php\/2015\/12\/09\/la-visione-del-cavallo-2\/","title":{"rendered":"La Visione Del Cavallo"},"content":{"rendered":"<p>L&#8217;acutezza visiva del cavallo, ossia la capacit\u00e0 di vedere i minimi dettagli, \u00e8 inferiore a quella dell&#8217;uomo, ma in compenso ha una spiccata sensibilit\u00e0 al movimento con circa 20-25 immagini al secondo, mentre l&#8217;uomo ne ha circa 15-18, per questo motivo il cavallo reagisce pi\u00f9 velocemente ad un movimento improvviso.<\/p>\n<p>Dagli studi effettuati sembra accertato che il cavallo ha un maggior numero di bastoncelli ( permettono una migliore <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4656 alignleft\" src=\"http:\/\/www.sef-italia.it\/wp-content\/uploads\/2016\/10\/occhio_cavallo-f87d7d46.jpg\" alt=\"occhio_cavallo-f87d7d46\" width=\"250\" height=\"167\" srcset=\"https:\/\/www.sef-italia.it\/wp-content\/uploads\/2016\/10\/occhio_cavallo-f87d7d46.jpg 250w, https:\/\/www.sef-italia.it\/wp-content\/uploads\/2016\/10\/occhio_cavallo-f87d7d46-230x154.jpg 230w\" sizes=\"(max-width: 250px) 100vw, 250px\" \/>visione notturna) a scapito dei coni. Il numero inferiore di coni nell&#8217;occhio del cavallo permettono una visione dicromatica, che gli consente di vedere solo alcuni colori come il rosso, il blu, il giallo, l&#8217;arancione, ma probabilmente non distingue l&#8217;azzurro dal viola.<\/p>\n<p>Il cavallo con una testa sollevata di circa 45\u00b0 pu\u00f2 vedere chiaramente la profondit\u00e0 grazie alla vista binoculare e ci\u00f2 gli consente di calcolare la distanza davanti ad un ostacolo, mentre se il cavallo \u00e8 \u201cnella mano\u201d con la fronte perpendicolare al terreno riesce a vedere bene solo se sotto di s\u00e9.<\/p>\n<p>Un altro elemento importante da sapere \u00e8 che il cavallo ha davanti al proprio naso un cono d&#8217;ombra di circa 30 cm che gli impedisce di vedere ci\u00f2 che mangia, per questo motivo \u00e8 inconcepibile andare a tagliare le vibrisse (peli tattili) che ricoprono il muso del cavallo.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;acutezza visiva del cavallo, ossia la capacit\u00e0 di vedere i minimi dettagli, \u00e8 inferiore a quella dell&#8217;uomo, ma in compenso ha una [&hellip;]<\/p>\n","protected":false},"author":83,"featured_media":4656,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - 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