This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Which of the following syndrome is associated with ectopia lentis? 
Select and explain. 
A. Down's, B. Edward's, C. Marfan's, D. Turner's
C: Marfan's
Answer: C: Marfan's 
Explanation: Dislocation of lens with systemic anomalies: Marfans syndrome: In this condition, lens is displaced upwards and temporally (bilaterally symmetrical) Homocystinuria: In it the lens is usually subluxated downwards and nasally Weil-Marchesani syndrome: Forward subluxation of lens is seen Ehlers-Danlos syndrome: In this, ocular features are subluxation of lens and blue sclera Hyperlysinemia: Occasionally associated with ectopia lentis Stickler syndrome: Occasionally associated with ectopia lentis Sulphite oxidase deficiency: It is an autosomal recessive condition with ectopia lentis Ref: Comprehensive Ophthalmology by AK Khurana, 4th edition, Page 202-203.