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
Not true about blue sclera 
Select and explain. 
A. Seen in osteogenesis impeca, B. Does not seen in Ehlers-danlos syndrome, C. Blue colour is produced by underlying uveal pigment, D. Seen in marfan's syndrome
B: Does not seen in Ehlers-danlos syndrome
Answer: B: Does not seen in Ehlers-danlos syndrome 
Explanation: Answer- B. Does not seen in Ehlers-danlos syndromeBlue Sclera is characterized by marked, generalized blue discolouration of sclera due to thinning, The uveal pigment shines through the thin sclera and produces the blue colour.Causes of blue Sclera:Pseudoxanthoma elasticumOsteogenesis imperfectaEhlers-Danlos syndromeMarfan's syndromeAlkaptonuriaHypophosphatasiaJuvenile paget's diseaseNormal in newbornsVan der Hoeve's syndrome