var fDesc=new Array(); fDesc[0] = "VisionField is used to check if the eyes Visual Field is stable or it is worsening. Can perform both Visual Field tests as well as Progression Analysis on them to determine if patients with Glaucoma are stable or worsening. VisionField Offers a simple way to measure the extent and light sensitivity of our visual field. This is accomplished by increasing the intensity of a stimulus to a known area of the retina until the stimulus is seen."; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }