Presbyopia in a nutshell
Presbyopia is a normal phenomenon linked to the aging of the eye that generally appears around the age of 40, increases until 60-65 years old, and then stabilizes; it affects about 40% of the population, or 22 to 24 million people. (You are not alone!)
What are the signs of presbyopia?
These signs are numerous and begin to appear without us even noticing. One of the first symptoms will be asthenopia, or more commonly, all the manifestations related to the fatigue of the ciliary and oculomotor muscles; you feel a sensation of fatigue such as ocular discomfort, tingling, headaches, and concentrating becomes increasingly difficult.
All these discomforts are even more significant when there is little light; we look for the best lighting and often, we have the impression that presbyopia appears with autumn (decrease in brightness).
And the most characteristic sign of presbyopia is moving a document away to read it, the symptom of "arms too short." Applying makeup, sewing, tinkering, reading, all activities requiring near vision become increasingly difficult, even impossible.
How presbyopia works
Presbyopia is due to the natural decrease with age in the lens's ability to accommodate when reading. To see up close, the lens, a transparent lens inside the eye, quickly bulges under the action of the ciliary muscles; it thus increases its refractive power to form a sharp image regardless of the distance on the retina: this is accommodation. This accommodation is therefore a very rapid movement of the lens and can be compared to the focusing of autofocus cameras.
Correction of presbyopia with Varionet glasses
Presbyopia is measured in diopters from 0.25 to 0.25, from +0.75 to +3.50. It is determined according to your working distance; in fact, the correction will not be the same if you need clear vision at 30 cm or at 40 cm.
The correction of presbyopia evolves approximately every 2-3 years; it will then be necessary to consult an ophthalmologist who will not only check your visual needs but can also detect any other visual condition. Find the correspondence table by taking our online presbyopia test!
Thanks to the Varionet lens technology, you will be able to regain clear near vision but also at an intermediate distance, unlike "magnifying glass" single-vision lenses found in pharmacies/parapharmacies.
These so-called proximity lenses (also commonly called mid-distance lenses, depth-of-field lenses) offer excellent visual comfort for office work, in front of a computer screen, and sedentary activities requiring precision in near and intermediate vision.
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