What's Happening to Our Vision? Light's Impact on Myopia7:00 AM
If you are just joining us in our conversation of current working theories for why myopia (near-sightedness) is becoming so much more prevalent in modern society (an increase of 66% since the 1970s!) then check out our previous articles on peripheral defocus theory and near point stress theory. Remember all of these theories are not meant to stand alone -- our eyes develop over many years into adulthood, and in addition to genetics there are definitely strong environmental factors at play in determining the prescription we end up with. Today we're discussing some really intriguing research that is surprisingly simple; how can light change how our eyes develop?
|The average US classroom is a dim place -- set around 500 lux on average,|
but recommended light settings can be around 300 lux for activities like
computer and projector use. image via
|A glass classroom in Yangxi City, China via|