Diabetes is a disease that can negatively affect health in many ways, including healthy eyesight.
Our eyes are amazing, complex organs, but there are a lot of ways for things to go wrong.
The earliest example of someone using a tool to assist with vision (that we know of) is Roman philosopher Seneca.
Sometimes it’s hard to get a full night’s sleep, but when we don’t, we definitely feel it.
Some vision problems are so extreme that simple glasses or contacts aren’t enough to completely fix them.