The presbyopia is a visual defect that hinders the patient's vision closely, that is, to focus on nearby objects. This visual condition occurs because, over the years, the lens loses elasticity and, therefore, also the ability to focus images.
Eyestrain affects more than 80% of the Spanish population over 45 years, making it one of the most common visual defects. His appearance is inevitable as part of the natural aging process but fortunately today can operate.
Presbyopia operation: Understanding
Presbyopia surgery is to replace the natural crystalline lens or that has lost its ability to focus on an intraocular lens. Within this type of lens, the newest is the trifocal lens, which allows the patient to focus both near and far or middle distance.
Apart from trifocals, implanting an important advance has been the femtosecond laser, which helps make more precise and perfect corneal incisions in order to get better focus intraocular lens. No matter how good the surgeon, this laser always provides maximum precision accuracy.
After surgery, it is likely that the patient needs a brief neuro-adaptation to adapt the vision to trifocal and works like the lens or natural lens of the eye, but eventually regain the ability to focus at near distances and no longer need to use glasses.
Thanks to its successful results, more and patients attending consultations Ophthalmology to undergo surgery eyestrain by trifocals, as they usually are advised by a relative or close person already been operated with this technique. Today, the quality of life is very important and many patients want to do without glasses in their daily lives as far as possible.