{"id":75,"url":"https://cclm.media-doc.io/conditions/75/","name":"F. Specular Reflection","category":"Biomicroscope","detail":"<h2>Overview</h2>\n\n<ul>\n\t<li>Specular reflection is used to view the tear film and corneal endothelium</li>\n\t<li>It is a monocular technique: when set up correctly, the image is only visible in one eye piece</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<h2>Set Up</h2>\n\n<ul>\n\t<li>The illumination and observation system are offset at equal angles</li>\n\t<li>A moderately wide beam is used and the microscope is focussed on the structure of interest</li>\n\t<li>The height of the beam can be reduced</li>\n\t<li>Medium magnification is used initially</li>\n\t<li>The illumination system is moved in order to place the bright Purkinje image (reflection of light source) to coincide with the optic section&nbsp;</li>\n\t<li>High magnification can be used once the structure of interest has been visualized</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<h2>Useful when assessing</h2>\n\n<ul>\n\t<li><a href=\"/condition/62\">Corneal endothelium</a>&nbsp;- differential diagnosis</li>\n\t<li><a href=\"/condition/4\">Blebs</a>&nbsp;</li>\n\t<li><a href=\"/condition/28\">Polymegathism</a></li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p>&nbsp;</p>","images":[{"name":"Specular Reflection","file":"https://cclm-static.s3.amazonaws.com/images/CORE_Specular_reflection.png"}],"type":1,"videos":[{"name":"Specular Reflection","videoSrc":"267434934"}],"wear":false,"ceaseWear":false,"changeLens":false,"changeSolutions":false,"changeCare":false,"counseling":false,"dd":false,"dw":false,"gp":false,"replace":false,"review":false,"rewettingDrops":false,"rx":false,"SiHy":false,"toric":false,"tags":[{"id":7,"url":"https://cclm.media-doc.io/tags/7/","name":"conditions"}]}