As soon as I find two prescription and cornea checks that are identical, that's when they are ready for the permanent surgery. In other words, if you want the best result, be patient and don't rush. Actually, almost all nearsighted people can wear contact lenses, no matter how high their prescription. No, they will not ruin your eyes. It is essential to follow your contact lens practitioner's rules, however.
Contact lenses are extremely safe when prescribed and cared for properly.
The problem is that he pulls them off the second they go on. He just struggles and cries. I have no easy answer for you. I tell the parents of my child patients to do whatever it takes, including bribes. Make sure the glasses are comfortable and as clean as possible.