<prompt> Which of the following is not pa of Hutchinson triadInterstitial keratitisChemical burnsDeafnessHutchinson teeth  <response>: Hutchinson triad is seen in congenital syphilis which includes Hutchinson teeth, congenital deafness, and interstitial keratitis. Hutchinsons triad is named after Sir Jonathan Hutchinson. It is a common pattern of presentation for congenital syphilis, and consists of three phenomena: interstitial keratitis, malformed teeth, and eighth nerve deafness.There may also be a deformity on the nose known as saddle nose deformity Reference: Aravind FAQS in Ophthalmology; First Edition; Page no: 81 