✔ 最佳答案
If you wear glasses "always", your shortsighted degree will not deeper given that you do not see the things(eg. computer, books) closely and in wrong poses.
If you sometimes wear glasses and sometimes not, the degree will be deeper because the eye focus cannot adopt the suddent changes from distance to near and from near to distance, this will hurt your eye's iris, so that the eyeball getting much longer and the degree will be deeper.
To avoid the deeper degree, it is needed to care your eyes by having a suitable distance from the computer(70 cm), take a rest and look at green things or distance things when you have an hour work. (1hr work, take 10mins break for protecting the eyes.