AV

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <script type="text/javascript"> //OwnerIQ var __oiq_pct = 50; if( __oiq_pct>=100 || Math.floor(Math.random()*100/(100-__oiq_pct)) > 0 ) { var _oiqq = _oiqq || []; _oiqq.push(['oiq_addPageBrand','Lycos']); _oiqq.push(['oiq_addPageCat','Internet > Websites']); _oiqq.push(['oiq_addPageLifecycle','Intend']); _oiqq.push(['oiq_doTag']); (function() { var oiq = document.createElement('script'); oiq.type = 'text/javascript'; oiq.async = true; oiq.src = document.location.protocol + '//px.owneriq.net/stas/s/lycosn.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(oiq, s); })(); } //Google Analytics var _gaq = _gaq || []; _gaq.push(['_setAccount','UA-21402695-19']); _gaq.push(['_setDomainName','tripod.com']); _gaq.push(['_setCustomVar',1,'member_name','alexlovi',3]); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 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'https:' : 'http:') + '//www.googletagservices.com/tag/js/gpt.js'; var node = document.getElementsByTagName('script')[0]; node.parentNode.insertBefore(gads, node); })(); </script> <script type='text/javascript'> googletag.cmd.push(function() { googletag.defineSlot('/95963596/TRI_300X250_dfp', [300, 250], 'div-gpt-ad-1450204159126-0').addService(googletag.pubads()); googletag.defineSlot('/95963596/TRI_above_728x90_dfp', [728, 90], 'div-gpt-ad-1450204159126-1').addService(googletag.pubads()); googletag.defineSlot('/95963596/TRI_below_728x90_dfp', [728, 90], 'div-gpt-ad-1450204159126-2').addService(googletag.pubads()); googletag.pubads().enableSingleRequest(); googletag.enableServices(); }); </script> <script type="text/javascript"> (function(isV) { if( !isV ) { return; } var adMgr = new AdManager(); var lycos_prod_set = adMgr.chooseProductSet(); var slots = ["leaderboard", "leaderboard2", "toolbar_image", "toolbar_text", "smallbox", "top_promo", "footer2", "slider"]; var adCat = this.lycos_ad_category; adMgr.setForcedParam('page', (adCat && adCat.dmoz) ? adCat.dmoz : 'member'); if (this.lycos_search_query) { adMgr.setForcedParam("keyword", this.lycos_search_query); } else if(adCat && adCat.find_what) { adMgr.setForcedParam('keyword', adCat.find_what); } for (var s in slots) { var slot = slots[s]; if (adMgr.isSlotAvailable(slot)) { this.lycos_ad[slot] = adMgr.getSlot(slot); } } adMgr.renderHeader(); adMgr.renderFooter(); }((function() { var w = 0, h = 0, minimumThreshold = 300; if (top == self) { return true; } if (typeof(window.innerWidth) == 'number' ) { w = window.innerWidth; h = window.innerHeight; } else if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) { w = document.documentElement.clientWidth; h = document.documentElement.clientHeight; } else if (document.body && (document.body.clientWidth || document.body.clientHeight)) { w = document.body.clientWidth; h = document.body.clientHeight; } return ((w > minimumThreshold) && (h > minimumThreshold)); }()))); window.onload = function() { var f = document.getElementById("FooterAd"); var b = document.getElementsByTagName("body")[0]; b.appendChild(f); f.style.display = "block"; document.getElementById('lycosFooterAdiFrame').src = '/adm/ad/footerAd.iframe.html'; // DOM Inj Ad (function(isTrellix) { var e = document.createElement('iframe'); e.style.border = '0'; e.style.margin = 0; e.style.display = 'block'; e.style.cssFloat = 'right'; e.style.height = '254px'; e.style.overflow = 'hidden'; e.style.padding = 0; e.style.width = '300px'; var isBlokedByDomain = function( href ) { var blockedDomains = [ "ananyaporn13000.tripod.com", "xxxpornxxx.tripod.com" ]; var flag = false; for( var i=0; i<blockedDomains.length; i++ ) { if( href.search( blockedDomains[ i ] ) >= 0 ) { flag = true; } } return flag; } var getMetaContent = function( metaName ) { var metas = document.getElementsByTagName('meta'); for (i=0; i<metas.length; i++) { if( metas[i].getAttribute("name") == metaName ) { return metas[i].getAttribute("content"); 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for (var i = 0; i < areaNodes.length; i++) { var a = parseInt(getComputedStyle(areaNodes[i]).width); if ((a >= 300) && (a <= 400)) { properNode = areaNodes[i]; break; } } var propertyName = getMetaContent("property") || false; if( isTrellix && (properNode) ) { e.src = '/adm/ad/injectAd.iframe.html'; properNode.insertBefore(e, properNode.firstChild); } else if( isTrellix && !( properNode ) ) // Slap the ad eventhought there is no alocated slot { e.src = '/adm/ad/injectAd.iframe.html'; e.style.cssFloat = 'none'; var cdiv = document.createElement('div'); cdiv.style = "width:300px;margin:10px auto;"; cdiv.appendChild( e ); b.insertBefore(cdiv, b.lastChild); } else if( !isBlokedByDomain( location.href ) ) { var injF = document.createElement('iframe'); injF.style.border = '0'; injF.style.margin = 0; injF.style.display = 'block'; injF.style.cssFloat = 'none'; injF.style.height = '254px'; injF.style.overflow = 'hidden'; injF.style.padding = 0; injF.style.width = '300px'; injF.src = '/adm/ad/injectAd.iframe.html'; if( b && ( !isTrellix || ( typeof isTrellix == "undefined" ) ) ) // All other tripod props { var cdiv = document.createElement('div'); cdiv.style = "width:300px;margin:10px auto;"; cdiv.appendChild( injF ); b.insertBefore(cdiv, b.lastChild); } } }( document.isTrellix )); } </script> <div id="tb_container" style="background:#DFDCCF; border-bottom:1px solid #393939; position:relative; z-index:999999999!important">  <style> .adCenterClass{margin:0 auto} </style> <div id="tb_ad" class="adCenterClass" style="display:block!important; overflow:hidden; width:916px;"> <div id="ad_container" style="display:block!important; float:left; width:728px "> <script type="text/javascript"> if (typeof lycos_ad !== "undefined" && "leaderboard" in lycos_ad) { document.write(lycos_ad['leaderboard']); } </script> </div> </div> </div> <script type="text/javascript"> if (typeof lycos_ad !== "undefined" && "slider" in lycos_ad) { document.write(lycos_ad['slider']); } </script>  <div id="FooterAd" style="background:#DFDCCF; border-top:1px solid #393939; clear:both; display:none; width:100%!important; position:relative; z-index:999999!important; height:90px!important"> <div class="adCenterClass" style="display:block!important; overflow:hidden; width:916px;"> <div id="footerAd_container" style="display:block!important; float:left; width:728px"> <iframe id="lycosFooterAdiFrame" style="border:0; display:block; float:left; height:96px; overflow:hidden; padding:0; width:750px"></iframe> </div> </div> </div> <table cellpadding=0 cellspacing=0 border=0><tr> <td valign="top" colspan=2 height=110 BGCOLOR="#666699" TEXT="#080000" bgproperties="fixed" background="04800840erlcjm.gif"> <div> <FONT SIZE="5" COLOR="#FFFFFF" FACE="Arial" ><B>Dr. José Alejandro Lozano Viera</b></FONT><B>     |     </b><A HREF="index.htm" TARGET="_top" TITLE="Dr. José Alejandro Lozano Viera"><U><B>home</b></U></A></div> <div> <A HREF="id22.htm" TARGET="_top" TITLE="Servicios"><U><B>Regresar</b></U></A></div> </td> </tr><tr> <td valign="top" width=190 BGCOLOR="#FFFFFF" TEXT="#080000" background="04211c00egerdp.gif"> <div> <B><IMG SRC="04a855e0.jpg" border=0 width="133" height="94" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></b></div> <bR> <bR> </td> <td valign="top" height=370 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> AV</div> <div> <B>Determinación de la Agudeza Visual:</b></div> <div> <B> <TABLE BORDER="0" CELLPADDING="2" CELLSPACING="1" WIDTH="562" BORDERCOLORLIGHT="#C0C0C0" BORDERCOLORDARK="#808080" FRAME="BOX" RULES="ALL" ALIGN="BOTTOM" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP HEIGHT= 397 ><NOBR><div> <IMG SRC="07d4f530.jpg" border=0 width="79" height="83" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> </NOBR></tD> <tD VALIGN=TOP WIDTH="480"><div> <B>¿Qué es la Agudeza Visual?</b></div> <div> <B> Representa la capacidad del sistema visual para descomponer un objeto, lo cual depende de tres factores principales: la iluminación de fondo, el contraste del objeto con respecto al fondo y el ángulo que el objeto subtiende en el punto nodal del ojo.</b></div> <div> <B>¿Para qué sirve este examen?</b></div> <div> <B>Sirve para poder orientarnos cuanto ve un paciente respecto a lo normal. Claro tiene sus limitaciones ya que esta prueba depende de muchos factores subjetivos y objetivos que deben ser tomados en cuenta.</b></div> <bR> <div> <B>¿Cómo se hace?</b></div> <div> <B>Existen varias escalas de medición. La más usada es la Snellen: Se pide al paciente que dirija identifique y describa las letras proyectados a una pantalla a 6m de distancia. Dependiendo hasta qué letra llegue a identificar será su agudeza visual.</b></div> <bR> <bR> <bR> </tD> </tR> </TABLE></b></div> <bR> </td> </tr></table></body>