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Cataract Surgery

Dr.Daljit Singh Eye Hospital is a pioneer in Cataract Surgery and Lens Implantation in India. The first lens implantation was done by Dr.Daljit Singh in 1976. With time , and with the advances in science and technology , Dr Daljit Singh Eye Hospital remains at the forefront of Cataract Treatment Technology. We perform Phacoemulsification and Foldable Lens Implantation of all varieties to suite various patients and clinical conditions.

We are equipped with the latest state-of-the-art equipments for diagnosis , assessment and eventually the surgery of cataract. Carl Zeiss IOL Master 700 Laser Interferometer , Alcon Centurion system , Alcon Infiniti System , Bausch and Lonb Stellaris System , Moller-Wedel Microscope , Haag Streit Microscope , Leica Microscope , Carl Zeiss Microscope . These are the world's best equipments used all over  the world.

We also use the world'd best Intraocular Lenses . Alcon Acrysof MP , Alcon Acrysof SP , Alcon Acrysof IQ , Alcon Acrysof IQ Toric , Alcon IQ Panoptix , Alcon IQ Panoptix Toric , Alcon Clarion  , Johnson & Johnson Eyhance , Johnson & Johnson Tecnis1 and the Retofixated Iris Claw Lens.

All this is backed with more than 35 years of solid experience in dealing with the toughest cases of Cataract . The term "Cataract" is used broadly for all patients who have a cataract but the clinical presentation of cataract may have extreme variations. To name a few type os cataracts :Traumatic Ruptured Cataract ,Traumatic Dislocated Cataract, Posterior Polar Cataract, Hard Black Cataract, Mature Swollen Cataract, Mature Liquified Cataract, Micro Cornea with Cataract, Megalo Cornea with Cataract, Glaucoma with Cataract, Uveitis with Cataract etc.

 

 

 

What is Cataract ?

Cataract is the opacification / milkiness of the natural lens of the eye. Due to this opacification , the patient would experience progressive loss of vision . When cataract matures to become absolutely white and opaque , there is total vision loss.

 

What are the causes of Cataract ?

Cataract is multifactorial in nature . Commonest reason of getting cataract is age. However there is no pre-determined age when cataract may develop. However cataract seems to develop early in people suffering from Diabetes .Other reasons are malnutrition , use of steriod medications , blunt injury and injury with sharp objects. People who are exposed to the sun for pronged periods of time or are welders by profession, may get cataract early . Genetic factors may contribute to getting cataract early on in life too.

Cataract may even develop by birth too , when it is called , congenital cataract .Such cataract may develop due to genetic reasons or due to the effect of radiation , malnutrition during development or due to the intake of certain drugs by the mother during pregnancy. Cataract due to genetic reasons may cause more then one child to be affected in the family.

 

What is the treatment of cataract ?

Treatment of cataract involves removal of the cataract and implantation of an artificial lens inside the eye.

Cataract surgery is done by a technique called Phacoemulsification , in which the cataract is dissolved using an ultrasonically vibrating titanium needle through a micro incision and then implantation of an injectable soft foldable lnes inside the eye. Often no stitches are required . Post surgical recovery is usually very quick and the patient is able to see within 2-3 hours after surgery.

Surgery is carried out with the the most modern Alcon Infiniti and Alcon Centurian Torsional phacoemulsification systems used all over the world .

 

Why do we need to implant a lens inside the eye after cataract operation?

Cataract is formed in the natural lens of the eye. Since it has become opaque and had to be taken out , we need to replace that with an artificial lens of pre-calculated power.

 

What are the types of lenses available for implantation ?

Following are the types of lenses available :

Posterior Chamber Lenses :

# Monofocal Lenses : As the name suggests these lenses have one focus and these lenses are the most commonly used . The aspheric version of this variety of lenses provides the best possible vision to the patient. It is generally planned to implant a lens with a power which would provide un-aided distant vision to the patient as far as possible . The patient would need to use glasses to read and for doing fine work. An example of such lens would be the Alcon Acrysof series of lenses ( Multi-piece , Single piece , Aspheric IQ , IQ Toric ) ,  Auroview lenses from Aurolab .


# Multifocal Lenses: Again as the name suggests , these lenses are manufactured on the time tested Acrysof Panoptix  lens range. Suitability of a patient for this lens has to be determined on an individual basis. Spectacles may be required for very fine visual requirements .

 

# Toric Lenses :This category of lenses incorporates cylindrical correction in it's optic in addition to spheric correction. This is useful in patients of pre existing irregular cornea , for the reduction / elimination of cylindrical number. Cylindrical numbers in the range of 0.75 D to 4.11 D may be treated with these lenses. This lens is also available in the Acrysof platform . Patients implanted with these lenses benefit highly in vision. Custom made lenses may be needed for some patients in which the readily available lenses may not be enough to correct their eye condition.


# Aspheric Multifocal + Toric Lenses : These lenses combine the properties of all the above mentioned lenses and are helpful is specific clinical situtations and specific visual requirements.

# Extended Depth of Focus Lenses : These lenses give excellent distant and intermediate visibility while for very fine work , glasses would still be needed. The good thing about this variety of lenses is the absence of glare and haloes at night especially during driving. Even though glasses are required for doing very fine work , a patient may actually not require to wear glasses for more than 85% of the time. Eyehance Technis Lens from Johnson& Johnson is one such lens that we are using.

# Iris Supported Lenses (Artisan Lens) : This is a very special design of lens which has very specific indications. In the broader sense, it is implanted in patients with deficient or absent posterior capsule in which the afore mentioned lenses cannot be implanted. This lens is fixed to the brown iris of the eye with small clips on either side of the lens. Implantation can be doen on the front or the back of the iris. This lens may need to be implanted in patients with dislocated lenses , cases of trauma , post vitreo-retinal surgery , as secondary lens implants etc.

# Scleral Fixated Intraocular Lenses : These are implanted in clinical conditions where there is absence of capsular support. The lens , as the name suggests is fixed to the sclera of the eye.

# Customised Lenses : At times , patients may exhibit extreme amounts of ametropia such that Intraocular lens required for their eye may not be available off the shelf . Hence customised lenses may have to be designed of specifications suitable to a particular eye. 

# Piggy-Back Intraocular Lenses : Piggy-back lenses may be required in patients who have undergone a successful cataract surgery with intraocular lens implantation but unfortunately due  to some reason have ended up with a large undesirable number of glasses.Piggy-back lens of a suitable power and diameter is implanted over an already implanted lens to reduce or eliminate the residual number . 

Will I need to wear glasses after Lens Implantation ?

Though we try to make great effort in trying to minimising the need of glasses after intraocular lens implantation , you may still need to use glasses after operation for cataract. After monofocal and monofocal toric lens implantation , near vision glasses are almost certain to be needed. After trifocal lens implantation , the need for glasses is minimised for all distances. After implantation of Extended depth of focus lenses , there may not be much need for distance and intermediate tasks but fine near work would require glasses.

 Is it advisable for people who drive a lot , especially at night to get multifocal/ trifocal lenses implanted ?

For people who do a lot of driving , especially night driving , it is advisable to avoid mutifocal lenses because they may suffer from glare from oncoming traffic lights. Such persons may instead opt for extended depth of focus lenses which is a good trade-off between monofocal and multifocal lenses because there is minimal glare while driving and most chores may be performed without the need to wear glasses.

You may contact us at : 9152833977  for more details. 

You may even send  us a mail to us at the following addresses 

daljiteyehospital@yahoo.in , ravijit@yahoo.com 


Disclaimer : Intraocular Lens implantation is a very precise science where we try our level best to provide the best outcomes . However it is not possible to create vision like nature has created .