Technological Improvements In Cataract Surgery
Many years have passed since the introduction of cataract surgery
. During these years, technological developments have never stopped. In general, cataract surgeries performed in early days simply removed the cloudy lens from the eye. Later, technological advances helped develop anterior chamber intraocular lenses. Being placed in front of iris so as to replace the removed lens, these artificial lenses worked well as they helped perform visual tasks competently. However, corneal damage such as swollen cornea sometimes was caused after a certain period. The reason was that the intraocular lenses may vibrate, leading to the aqueous fluid from the back of the eye toward the front. Cloudy vision would probably occur again.
Abandoning those problematic anterior chamber intraocular lenses, the next comer was posterior chamber intraocular lenses. As the name indicated, these lenses were placed behind the iris. This way could avoid lens vibration and further corneal damage. After that, a lot of improvements were introduced. For instance, lenses with better quality and smaller sizes and increased flexibility were implanted into the eye with very small incision. There was still a shortcoming of those posterior chamber intraocular lenses that they could only help in perceiving distant objects. Seeing close minute objects still needed to rely on
prescription eyeglasses. The currently available solution to this problem is the use of multi-focal intraocular lenses. Implanted with this kind of lenses, patients are able to gain full range of clear vision from distant to near.
The use of topical anesthesia represents for another significant development in cataract surgery. This technology removes the traditional necessity to get an infection in the eye. This will surely cause eye pain and risk. Topical anesthesia only uses eye drops, eliminating the eye injection. Furthermore, the new form of cataract surgery only lasts for 15 minutes. Patients can go home without a patch in just 15 minutes and will receive faster results.
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Cause and cost of cataract surgeryComplications of cataract surgeryby: MarkBurnsy
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