Which Lens should I choose for Cataract Surgery?| Best IOL - Dr. Sriram Ramalingam| Doctors' Circle

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Dr. Sriram Ramalingam | Phone 📞 +91 80 2343 1020 (Online & in-person appointment can be booked online or by call) | Registration No: 56047 Karnataka Medical Council, 2000
Consultant Ophthalmologist | Pradnya Nethralaya Sultanpalya, Bengaluru, India
Cataract surgery has come a long way it started way back the time of Sushruta what was called as couching then it progressed to what is called as intra capsular cataract surgery where the human lens was just removed in total no lens was placed in the eye. Then came the procedure of what is called as extra capsular cataract surgery where lens bag or the capsula bag was left behind and a lens was introduced . The first lens was introduced way back in 1949 by a doctor called Dr. Harold Ridley in UK from there the intraocular lenses technology has jumped leaps and bounce. It started with what is called as a rigid lens which is made of of some plastic material which was placed after a extra capsular cataract surgery where the incision size was about 6 to 6.5 mm and a rigid lens was implanted into the capsular support. As technology of cataract surgery improved the newer treatments what is called as phacoemulsification or micro incision cataract surgery. The incision size became smaller and smaller nowadays cataract surgery is done using phacoemulsification through an opening of about 1.8 to 2.2 mm or maximum of 3 mm. The intraocular lens technology has also kept place with this phacoemulsifications. So then came the introduction of what is called as a foldable lens. The foldable lenses are made up of either silicon or what is called as hydrogen material. They are usually 6 to 6.5 mm lenses which are folded or what is called as unfolded and injected into the eye to a 2.2 or 2.8 mm incisions. So these are what is called as a foldable lenses. The difference between the rigid and the foldable lenses first is a material any day the material of foldable lenses are far advanced as compared to the rigid material he incision required to implant a rigid lens is around 5 to 5.5 mm whereas a foldable lens can implanted even to a 2.2 to 1.8 mm. So foldable lenses are much better than your rigid lenses occasionally it may not be possible to put foldable lens. That is the time many of times a rigid lens is implanted. But 92 99% of the time people go in for the foldable lenses because of the material because of the technology that is behind the manufacturing of these lenses.
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