system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Bilateral inferior dislocation of lens is seen in ?
assistant
The correct answer is  Ans. is `b' i.e., Homocystinuria Ectopia lentis Ectopia lentis is defined as displacement or malposition of the crystalline lens of the eye. The lens is considered dislocated (luxated) when it lies completely outside the lens patellar fossa. The lens is described as subluxated when it is paially displaced but contained within the lens space.