It is said that jamie lynn spears wears the D&G eyeglasses which makes her look in the different way. Actually now more and more people like to wear the eyeglasses or sunglasses to be as the accessories to make them look special. They will actually look good at the appearance. You could have a try to match with your clothing.
She does wear glasses in her personal time. When she needs to appear on the screen, she always wears contact lenses. So most people don't know that she has near-sightedness.
She always black glasses with big frame. There's nothing special for her glasses. You can buy a similar one if you want. Most of the online or offline retailers offer tons of this kind of black glasses. You can choose a pair of suitable glasses for yourself.