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
Which of the following not causes lens dislocation: 
Select and explain. 
A. Ehlers-Danlos syndrome, B. Marfan's syndrome, C. Sulphite oxidase deficiency, D. Diabetes mellitus
D: Diabetes mellitus
Answer: D: Diabetes mellitus 
Explanation: D. Diabetes mellitusEctopia Lentis with Systemic Anomalies Khurana 6th/2l5-l61. Marfan's syndrome: In this condition lens is displaced upwards and temporally (bilaterally symmetrical)2. Homocystinuria: In it the lens is usually subluxated downwards and nasally.3. Weil-Marchesani syndrome: forward subluxation of lens which may cause pupil block glaucoma.4. Ehlers-Danlos syndrome. In it the ocular features are subluxation of lens and blue sclera.5. Hyperlysinaemia: It is an extremely rare condition occasionally associated with ectopialentis.6. Stickler syndrome. Ectopialentis is occasionally associated in this condition7. Sulphite oxidase deficiency: Ectopialentis is a universal ocular feature.(Parson 22nd/275): Causes of Ectopia lentisA. FamilialAutosomal dominant formAutosomal recessive form (associated with iris coloboma, aniridia, microspherophakia, ectopiapupillae)B. Other systemic diseasesMarfan, Ehlers-Danlos, Weil-Marchesani, Homocystinuria, Sulphite oxidase deficiency, HyperlysinaemiaC. Secondary to eye diseasesUveitis, hypermature cataract, pseudoexfoliation syndrome, ciliary body tumourD. Secondary to trauma(May or may not be associated with underlying defective zonules due to syphilis)