This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Special Senses: Vision and its Elements, Subject name: Physiology
In myopia there is 
Select and explain. 
A. Increased length of eyeball, B. Decreased length of eyeball, C. Decreased refractive power of cornea, D. Lens is dislocated posteriorly
A: Increased length of eyeball
Answer: A: Increased length of eyeball 
Explanation: (A) Increased length of eyeball > Myopia ("nearsightedness" (AmE), "shortsightedness" (BrE)) is a refractive defect of the eye in which collimated light produces image focus in front of the retina under conditions of accommodation.> Axial myopia is attributed to an increase in the eye's axial length.