{"id":55,"url":"https://cclm.media-doc.io/conditions/55/","name":"Contact Lenses: Problems and Defects","category":"Contact Lens","detail":"<p>Defect</p>\n\n<h2>Symptoms</h2>\n\n<ul>\n\t<li>None to severe discomfort during wear, which dissipates quickly on lens removal</li>\n</ul>\n\n<h2>Signs</h2>\n\n<ul>\n\t<li>Local staining often occurs in the region of the cornea and conjunctiva near the defect</li>\n\t<li>The defect may or may not be obvious under magnification</li>\n</ul>\n\n<h2>Etiology</h2>\n\n<ul>\n\t<li>Poor manufacturing techniques (rare)</li>\n\t<li>Damage during use (poor lens handling, lens trapped in case, etc)</li>\n</ul>\n\n<h2>Prevalence</h2>\n\n<ul>\n\t<li>Common; may be higher with new wearers and in thin lenses, especially those that are high water content</li>\n</ul>\n\n<h2>Differential Diagnosis</h2>\n\n<ul>\n\t<li><a href=\"/condition/58\">Lens Tear</a></li>\n\t<li>Insertion of another lens of the same parameters (possibly from the fellow eye) will differentiate if a lens is defective</li>\n\t<li><a href=\"/condition/60\">See:&nbsp;Contact Lens Changes &ndash; Differential Diagnosis</a></li>\n</ul>\n\n<h2>Management</h2>\n\n<ul>\n\t<li>Lens replacement</li>\n\t<li>Re-evaluation of lens handling</li>\n\t<li>Change to daily disposable lenses if occurs continually</li>\n</ul>","images":[{"name":"Contact Lenses: Problems and Defects","file":"https://cclm-static.s3.amazonaws.com/images/lens-defect.jpg"}],"type":1,"videos":[],"wear":false,"ceaseWear":false,"changeLens":true,"changeSolutions":false,"changeCare":false,"counseling":true,"dd":false,"dw":false,"gp":false,"replace":false,"review":false,"rewettingDrops":false,"rx":false,"SiHy":false,"toric":false,"tags":[]}