age-related macular degeneration
cataract
diabetic retinopathy
glaucoma
uncorrected refractive errors
It is also interesting to observe how there are differences among countries.
In fact, cataract is more common in low- and middle-income countries. In high-income countries, diseases such as glaucoma and age-related macular degeneration are more typical.
https://www.who.int/…/blindness-and-visual-impairment
Specifically, we have focused on Greece, Croatia and Italy.