Men and Women Eyeglasses and Spectacles
Farsightedness or hyperopia / hypermetropia is an eye defect in which a person cannot see sharply without accommodation of the eye. Farsightedness is caused by a too short eye axis or too little strength of the refractive system of the eye (cornea plus lens), which creates the image of objects ‘behind the retina’. In order …
The nearest point from which one can still see clearly without difficulty is called the proximity point. In a normal (emmetropic) human eye this point is about 30 cm in front of the eye; even closer at a young age. The most distant point from which one can still see sharply is called the vertepoint, …