Long-sightedness

Long-sightedness Surgery (Presbyopia)

At CIMO Ophthalmological Clinic we are experts at treating Presbyopia by means of laser micro surgery. The ophthalmologist Dr. Julián Cezón is a specialist in long-sightedness (Presbyopia) surgery.

If you are older than 40-45and you begin to notice:

  • Eyestrain
  • Headache
  • Eyestrain after working close up.

One of the most obvious signs of Presbyopia is the need to hold reading material at a distance to be able to focus properly.

What is long sightedness (Presbyopia)?

Long sightedness (Presbyopia) is the progressive decrease in your ability to see close up which occurs in everyone after the age of 40-45. (Including ophthalmologists!).

Causes of long sightedness (Presbyopia). This physiological problem is due to the progressive loss of the crystalline lens’s ability to focus close up. This lens is the size of a lentil, it is elastic, transparent, and located inside the eye, behind the pupil. Normally when far-away objects are viewed the crystalline lens is flat and when close-up objects are viewed the crystalline lens becomes more convex to change the focus. After the age of 40 this lens becomes more rigid, it loses its elasticity and thus the person can still see far-away objects but the capacity to focus on close-up objects is lost.

Initially the person will begin to hold the reading material further away to find the ideal distance to be able to focus, as well as going to a lighter place, as the pupil closes with more light and you can see better. However, the time comes when neither of these two techniques to see close up works, thus making a visit to the ophthalmologist essential, or the person ends up buying reading glasses at the opticians. At the end of the day glasses are everywhere! One pair at home, one pair at work, another in the car etc.

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Long sightedness (Presbyopia) treatment

Conventional lenses: They correct the problems of focusing on objects close up but intermediate or far-away objects are blurred.

Bifocal lenses: They help with the accommodation between near vision and far vision, as they help you focus in the two situations, close up with the lower part of the lens and further away with the upper part of the lens.

Progressive lenses: allow vision at any distance, just by changing the position of your head. The structure is the same as bifocal lenses but the difference in the two parts of the actual lens is not noticed.

Contact lenses: imitate the system of multifocal lenses, however, monofocal lenses do exist: one accommodates close-up objects and the other far-away objects.

Surgical treatment of Presbyopia is not definitive. We must take into account that the ciliary muscle loses its elasticity with time, in spite of the fact that it has been corrected. One of the surgical techniques used is laser surgery. Also a prosthesis can be implanted (Schachar technique) with which the distance between the crystalline lens and the ciliary muscle is recovered. In some cases intraocular lenses are implanted.

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