Thank you for your query.
Refractive errors are very common and are usually spherical but in a good number of cases both spherical and cylindrical numbers are given. They do not cause any problem and are very well managed by lenses. Some changes do take place in the numbers as a child grows. Just for your information I have both spherical and cylindrical numbers for my myopia
and have been using glasses for the past 47 years.
With new tecnology and techniques, corneal surgeries are being done to correct this. This decision shall be taken once the growth of the eyeballs is complete by 20-21 year age.
The decision for adoption is individual and I would not be the right person to comment on it.
I hope I have answered your query to your satisfaction.