Eye strain (or asthenopia) is defined as a condition of the eye that manifests through nonspecific symptoms like pain in or around the eyes,
https://gomedii.com/blogs/english/wp-login.php?action=logout&redirect_to=https%3A%2F%2Fgomedii.com%2Fblogs%2Fenglish%2F&_wpnonce=039869a643