Perhaps not everyone knows that the name "blended" does not apply only to whiskey but also to sight! Yes, the term "blended" - which in English means "mixed", "mixed" - is also used in ophthalmology: let's see how and what advantages we can derive from it.
Similar to a camera, the eye allows us to focus on objects at different distances. This happens thanks to the crystalline, the natural lens that is behind the iris, which adapts its shape according to what we are observing: when we look at infinity the crystalline is relaxed, thin and more flattened, when instead we read or look something at closer distances it becomes thicker and more curved.
The change in shape of the lens, called accommodation, is gradual and involuntary and is a magnificent physiological mechanism ... but unfortunately it does not last for a lifetime. In fact, as we get older, the lens becomes more rigid and gradually loses its elasticity and consequently its ability to increase the curvature to focus on writings and nearby objects. It is at that point that presbyopia arises, that defect that forces people who are no longer very young to wear glasses to read and work closely.
Many people over 45-50 know how annoying it is to have to put on and take off those glasses that, yes, make you see good up close, but bad from a distance! And we want to talk about those who already wore glasses before and who now, with the onset of presbyopia, have to put on and take off two pairs continuously? As trivial as it may be, since fortunately it does not pose any danger to eye health, presbyopia is a cause of stress for many people. If you are among them, here is some good news for you: the ophthalmologist can apply blended vision to your eyes.
Blended vision is a new vision correction method that allows the dominant eye to see well from afar and at intermediate distances, while the other eye is corrected to see well at intermediate and near distances. In this way, thanks to the functioning of our brain, which is able to "mix" and integrate the information received from the two eyes, it will be possible to have a good vision at all distances and eliminate those uncomfortable reading glasses forever!
The correction with blended vision can be obtained through the application of contact lenses or, more definitively, thanks to the use of a laser that will permanently change the curvature of the cornea, the anterior lens of the eye. Blended vision can also be programmed during cataract surgery, in which case the correction is carried out by applying intraocular lenses appropriately calibrated for this type of correction.
Eliminating the addiction to reading glasses allows you to rediscover the serenity and visual comfort of the good old days, restoring a more youthful attitude and a simpler and lighter daily life.
