30yrmale. Since6month leg muscle weakness (had vitD, B12 def).CKP is 184.feel fatigue in leg when I walk for 10mins. Is it Myopia? Will kidney get affected

Need more informat. WE need more information. It is not myopia and I doubt we have enough information but unlikely to be kidney involvement. Weakness can be vascular, neurologic problem or muscular to suggest a few possibilities. Your physicians will need to consider these and other causes.