This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
[{'content': "Ectopia lentis is seen in all except \nSelect and explain. \nA. Marfan's syndrome, B. Ehler Danlos syndromeq, C. Trauma, D. Osteogenesis imperfecta", 'role': 'user'}, {'content': "Answer: D \nExplanation: (Refer: AK Khurana Comprehensive Ophthalmology, 6th edition, pg no. 216 - 217) Types of lens dislocations in various disease:Marfan syndrome-superotemporalHomocystinuria-InferonasalWeil-Marchesani syndrome -forward Ectopia lentis is a displacement or malposition of the eye's crystalline lens from its normal location. A paial dislocation of a lens is termed lens subluxation or subluxated lens; a complete dislocation of a lens is termed lens luxation or luxated lens. Ectopia lentis syndrome is an inherited connective tissue disorder that shares some of the features of Marfan syndrome - paicularly lens dislocation of the eye, which can cause serious vision problems.", 'role': 'assistant'}]