What age can children wear contacts? Mamy Luktan

Is myopia genetic or environmental? Also, at what age should kids wear contacts/glasses?
What's the right age for children to wear contact lens?
Bad eyesight This may sound funny to others. I have super bad eyesight . Can i wear contacts lens or...
Anyone has contacts for children entertainer? Like balloon artist, magician etc?
Can children take probiotics? What is the minimum age for kids to start having it?
Can children with myopia wear multifocal contact lenses?
When can wear mask. Hi, may I know what is the youngest age to wear mask? And would you recommend me...