Bausch And Lomb Multifocal

Cataract surgery is practiced for many years, and new developments have dramatically improved the vision of post-op. The lens is a normal structure of the eye. We are all born with the clear, natural lens, whose mission is to focus the light on the retina, and also absorb dangerous wavelengths of light. Over time, this objective is clear, yellow, such as changes in their chemical structure as a result of years of light absorption and general oxidative stress onBody.

Top of cataract surgery was to remove the cloudy lens just for the eye. To see the patient must then bring the very thick glasses or contact lenses. Developed as an advanced technology that the anterior chamber intraocular lenses (IOL) was. These are artificial lenses that have been placed in front of the iris in the market, to replace the lens. They worked very well, but over time the corneas were damaged in most of these patients. The lens of the anterior chamber vibrates in response toaqueous (liquid) is derived from the back of the eye to be transmitted. These vibrations over time damaged the lower part (endothelial) layer of the cornea, and swelling of the cornea and blurred vision.

The other big change was the development of posterior chamber IOL. These are placed behind the iris and then deleted the vibrations and protect the cornea from trauma. Over time, saw improvements to these targets, made smaller, better quality and greater flexibility so they can be implemented with verySuturing incisions less. The fundamental problem of all these plants is that, unlike the natural lens of the eye, the correction distance can be achieved. Reading glasses were required to see objects up close. This brings us to the next big change in IOL implants. In an attempt to meet the challenges of allowing patients to see distance and near after surgery, multi-focal implants have been further developed.

The new important players in this game are multifocal IOL RestoreAlcon, AMO Array Tecnis the ReZoom and also by AMO and Crystal from Eyeonics. They are designed to allow patients a full range of vision at near distance, without glasses. Each type achieves this goal through different methods.

The restoration of the prosthesis is constructed with a series of small concentric rings similar to rings of a target. These concentric rings alternate between distance and near vision. Some images are projected on the retina,and the brain must decide what image you want to see clearly. Most patients say they see, where appropriate, in the distance, and usually a test-Vision 20/40. Near vision is slightly better in most patients. The main complaint, besides the visual field is less than the ideal distance is dazzling at night. About 80% of these patients do not wear any type of glasses after surgery.

The ReZoom lens works the same way as food additives, but has large concentric rings. This improvesDistance, but reduces near vision. 81% of these patients are satisfied with their vision of reading, but 29% still need reading glasses to see up close. Therefore be used with the restoration and prosthetic ReZoom, Alphagan Eye Drops to reduce unwanted reflections by reducing the size of the pupil.

The Tecnis IOL is not yet available, but since it has not done as an aspheric lens and concentric rings, there is less glare and halos, and readability in the dark. You can alsomore room for maneuver. More research will highlight the true value and the shortcomings of the system.

The Crystal is the first IOL that the ability to focus is just like the lens of the eye. The plant is located behind the iris and has 2 flexible hinges 180 degrees. Because the effect of ciliary muscle contraction and relaxation, that the plant back and change shift the actual index of refraction of the lens. This mimics the power switch of the lenswith development. It is the first and only accommodation facility can offer a vision near and far Bothe. Significant adaptation is needed, and may be weeks or months at an acceptable level of visibility achieved. But there is a decrease in sensitivity of the Treaty, and some distortion can be activated. Reading glasses may be necessary for medium distances, and patients with other issues relating to night vision devices, students may be present.

Plant would be better for allPatients are different and depend on factors such as expectations, side effects, the need for bilateral surgery (for some systems work best when each eye has one) and costs. Do not pay insurance plans combined this special prosthesis and expenses in connection with charges of the physician may more than $ 2000.00 per eye.

Finally, some patients have astigmatism after cataract surgery. Since the facilities are not right for them, can be reduced corneal incisions after surgery or eliminatethis component .. The decision to undergo cataract surgery, it is important that a skilled surgeon who is familiar with all these new developments to see, and can make the choices that the plant would be better for patients.

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