Measles is a common skin disease, which is a limited edema reaction due to the expansion of small blood vessels in skin and mucosa and the increase of permeability. May be accompanied by fever, abdominal pain, diarrhea or other systemic symptoms. It doesn’t affect your eyesight.
If you get measles when your child is very young. After the occurrence of visual loss, to consider is due to viral keratitis caused by this situation, inflammation can cause corneal scar, leading to visual loss. But this is not the cause of myopia.