Hello mam, Your son is having high cylinder number. Kids of this age feels whatever they see is normal. So they don’t complain . But it is important to wear glasses regularly so that vision develops to full extent. Eye vision development happens and continues in this age and not wearing glasses will impair this. So make sure he wears glasses. Go for regular eye checkup. Nothing to worry about.

Its high astigmatism refractive error Though there are no symptoms, he may be having some visual imperfection, so better to start using glasses.

Your son requires cylindrical power in glasses due to probably excessive screentime like mobil and tv

It May be Genitic. Pl use glasses with out any hesitation.pl consult.

Definitely needs to wear glasses Screen time is one of the reasons Kindly get an online consultation to address all your concerns

Please use glass regularly

in the prescription, it shows that he has a power As he is only three years old, he can’t able to say that he is not able to see clearly If you still feel concerned, please consult paediatric ophthalmologist