Presbyopia or simply: presbyopia
Presbyopia is the age-related, progressive decrease in the power of accommodation, i.e. the ability to adapt to different distances, of the eyes. You notice this presbyopia especially when reading smaller letters or in bad light.
You can easily test your diopter value yourself at home. Simply print out our template in 100% size on an A4 page and place it in front of you at a distance of 35 cm.