"Vision problems" refers to any issues or difficulties with your eyesight. It may include blurry or fuzzy vision, trouble seeing objects clearly, or not being able to see things far away or up close. Full definition
They are also better for people with vision problems given the screen size and huge font options. (the-ebook-reader.com)
It's also important for you to watch for the signs of vision problems in kids. (thespruce.com)
It may put your child at a high risk for vision problem so if you have a healthy pregnancy and a normal birth and development these are really good sign. (pregnancymagazine.com)