The average eye base is 64 mm. This is the distance between the centers of the pupils of the two eyes. It is important to know this measurement when fitting glasses or contact lenses, as it affects the way the lenses will sit on the eyes.
Option A: 58 mm is too small for the average eye base. This would result in the glasses or contact lenses sitting too close to the nose, which could be uncomfortable and could also affect vision.
Option B: 60 mm is a more common measurement for the eye base. However, it is still possible for someone to have an eye base that is slightly longer or shorter than this.
Option C: 62 mm is a slightly longer measurement for the eye base. This is still within the normal range, but it is important to be aware of this measurement if you are being fitted for glasses or contact lenses.
Option D: 64 mm is the most common measurement for the eye base. This is the measurement that is used by most opticians and optometrists when fitting glasses or contact lenses.
It is important to note that the eye base can vary from person to person. Some people may have an eye base that is slightly longer or shorter than the average. If you are unsure of your eye base measurement, you should consult with an optician or optometrist.